# Advanced and Fast Data Transformation

## Documentation for package ‘collapse’ version 2.1.2

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

A B C D E F G H I J L M N P Q R S T U V W misc

collapse-package | Advanced and Fast Data Transformation

## -- A --

A0-collapse-documentation | Collapse Documentation & Overview
A1-fast-statistical-functions | Fast (Grouped, Weighted) Statistical Functions for Matrix-Like Objects
A2-fast-grouping-ordering | Fast Grouping and Ordering
A3-fast-data-manipulation | Fast Data Manipulation
A4-quick-conversion | Quick Data Conversion
A5-advanced-aggregation | Advanced Data Aggregation
A6-data-transformations | Data Transformations
A7-time-series-panel-series | Time Series and Panel Series
A8-list-processing | List Processing
A9-summary-statistics | Summary Statistics
AA1-recode-replace | Recode and Replace Values in Matrix-Like Objects
AA2-efficient-programming | Small Functions to Make R Programming More Efficient
AA3-small-helpers | Small (Helper) Functions
AA4-collapse-options | _collapse_ Package Options
across | Apply Functions Across Multiple Columns
add_stub | Small (Helper) Functions
add_vars | Fast Select, Replace or Add Data Frame Columns
add_vars<- | Fast Select, Replace or Add Data Frame Columns
advanced-aggregation | Advanced Data Aggregation
allNA | Small Functions to Make R Programming More Efficient
alloc | Small Functions to Make R Programming More Efficient
allv | Small Functions to Make R Programming More Efficient
all_funs | Small (Helper) Functions
all_identical | Small (Helper) Functions
all_obj_equal | Small (Helper) Functions
anyv | Small Functions to Make R Programming More Efficient
any_duplicated | Fast Unique Elements / Rows
aperm.psmat | Matrix / Array from Panel Series
arithmetic | Fast Row/Column Arithmetic for Matrix-Like Objects
as.data.frame.descr | Detailed Statistical Description of Data Frame
as.data.frame.qsu | Fast (Grouped, Weighted) Summary Statistics for Cross-Sectional and Panel Data
as_character_factor | Quick Data Conversion
as_factor_GRP | Fast Grouping / _collapse_ Grouping Objects
as_factor_qG | Fast Factor Generation, Interactions and Vector Grouping
as_integer_factor | Quick Data Conversion
as_numeric_factor | Quick Data Conversion
atomic_elem | Find and Extract / Subset List Elements
atomic_elem<- | Find and Extract / Subset List Elements
av | Fast Select, Replace or Add Data Frame Columns
av<- | Fast Select, Replace or Add Data Frame Columns

## -- B --

B | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
B.data.frame | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
B.default | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
B.grouped_df | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
B.matrix | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
B.pdata.frame | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
B.pseries | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
BY | Split-Apply-Combine Computing
BY.data.frame | Split-Apply-Combine Computing
BY.default | Split-Apply-Combine Computing
BY.grouped_df | Split-Apply-Combine Computing
BY.matrix | Split-Apply-Combine Computing

## -- C --

cat_vars | Fast Select, Replace or Add Data Frame Columns
cat_vars<- | Fast Select, Replace or Add Data Frame Columns
char_vars | Fast Select, Replace or Add Data Frame Columns
char_vars<- | Fast Select, Replace or Add Data Frame Columns
cinv | Small Functions to Make R Programming More Efficient
ckmatch | Fast Matching
collap | Advanced Data Aggregation
collapg | Advanced Data Aggregation
collapse | Advanced and Fast Data Transformation
collapse-documentation | Collapse Documentation & Overview
collapse-options | _collapse_ Package Options
collapse-renamed | Renamed Functions
collapv | Advanced Data Aggregation
colorder | Fast Reordering of Data Frame Columns
colorderv | Fast Reordering of Data Frame Columns
copyAttrib | Small (Helper) Functions
copyMostAttrib | Small (Helper) Functions
copyv | Small Functions to Make R Programming More Efficient

## -- D --

D | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
D.data.frame | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
D.default | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
D.grouped_df | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
D.list | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
D.matrix | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
D.pdata.frame | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
D.pseries | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
dapply | Data Apply
data-transformations | Data Transformations
date_vars | Fast Select, Replace or Add Data Frame Columns
date_vars<- | Fast Select, Replace or Add Data Frame Columns
descr | Detailed Statistical Description of Data Frame
descr.default | Detailed Statistical Description of Data Frame
descr.grouped_df | Detailed Statistical Description of Data Frame
Dlog | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
Dlog.data.frame | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
Dlog.default | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
Dlog.grouped_df | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
Dlog.list | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
Dlog.matrix | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
Dlog.pdata.frame | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
Dlog.pseries | Fast (Quasi-, Log-) Differences for Time Series and Panel Data

## -- E --

efficient-programming | Small Functions to Make R Programming More Efficient

## -- F --

F | Fast Lags and Leads for Time Series and Panel Data
F.data.frame | Fast Lags and Leads for Time Series and Panel Data
F.default | Fast Lags and Leads for Time Series and Panel Data
F.grouped_df | Fast Lags and Leads for Time Series and Panel Data
F.matrix | Fast Lags and Leads for Time Series and Panel Data
F.pdata.frame | Fast Lags and Leads for Time Series and Panel Data
F.pseries | Fast Lags and Leads for Time Series and Panel Data
fact_vars | Fast Select, Replace or Add Data Frame Columns
fact_vars<- | Fast Select, Replace or Add Data Frame Columns
fast-data-manipulation | Fast Data Manipulation
fast-grouping-ordering | Fast Grouping and Ordering
fast-statistical-functions | Fast (Grouped, Weighted) Statistical Functions for Matrix-Like Objects
fbetween | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
fbetween.data.frame | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
fbetween.default | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
fbetween.grouped_df | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
fbetween.matrix | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
fbetween.pdata.frame | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
fbetween.pseries | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
fcompute | Fast Transform and Compute Columns on a Data Frame
fcomputev | Fast Transform and Compute Columns on a Data Frame
fcount | Efficiently Count Observations by Group
fcountv | Efficiently Count Observations by Group
fcumsum | Fast (Grouped, Ordered) Cumulative Sum for Matrix-Like Objects
fcumsum.data.frame | Fast (Grouped, Ordered) Cumulative Sum for Matrix-Like Objects
fcumsum.default | Fast (Grouped, Ordered) Cumulative Sum for Matrix-Like Objects
fcumsum.grouped_df | Fast (Grouped, Ordered) Cumulative Sum for Matrix-Like Objects
fcumsum.matrix | Fast (Grouped, Ordered) Cumulative Sum for Matrix-Like Objects
fcumsum.pdata.frame | Fast (Grouped, Ordered) Cumulative Sum for Matrix-Like Objects
fcumsum.pseries | Fast (Grouped, Ordered) Cumulative Sum for Matrix-Like Objects
fdiff | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
fdiff.data.frame | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
fdiff.default | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
fdiff.grouped_df | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
fdiff.list | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
fdiff.matrix | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
fdiff.pdata.frame | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
fdiff.pseries | Fast (Quasi-, Log-) Differences for Time Series and Panel Data
fdim | Small Functions to Make R Programming More Efficient
fdist | Fast and Flexible Distance Computations
fdroplevels | Fast Removal of Unused Factor Levels
fdroplevels.data.frame | Fast Removal of Unused Factor Levels
fdroplevels.factor | Fast Removal of Unused Factor Levels
fduplicated | Fast Unique Elements / Rows
ffirst | Fast (Grouped) First and Last Value for Matrix-Like Objects
ffirst.data.frame | Fast (Grouped) First and Last Value for Matrix-Like Objects
ffirst.default | Fast (Grouped) First and Last Value for Matrix-Like Objects
ffirst.grouped_df | Fast (Grouped) First and Last Value for Matrix-Like Objects
ffirst.matrix | Fast (Grouped) First and Last Value for Matrix-Like Objects
fFtest | Fast (Weighted) F-test for Linear Models (with Factors)
fFtest.default | Fast (Weighted) F-test for Linear Models (with Factors)
fFtest.formula | Fast (Weighted) F-test for Linear Models (with Factors)
fgroup_by | Fast Grouping / _collapse_ Grouping Objects
fgroup_vars | Fast Grouping / _collapse_ Grouping Objects
fgrowth | Fast Growth Rates for Time Series and Panel Data
fgrowth.data.frame | Fast Growth Rates for Time Series and Panel Data
fgrowth.default | Fast Growth Rates for Time Series and Panel Data
fgrowth.grouped_df | Fast Growth Rates for Time Series and Panel Data
fgrowth.list | Fast Growth Rates for Time Series and Panel Data
fgrowth.matrix | Fast Growth Rates for Time Series and Panel Data
fgrowth.pdata.frame | Fast Growth Rates for Time Series and Panel Data
fgrowth.pseries | Fast Growth Rates for Time Series and Panel Data
fHDbetween | Renamed Functions
fhdbetween | Higher-Dimensional Centering and Linear Prediction
fHDbetween.data.frame | Renamed Functions
fhdbetween.data.frame | Higher-Dimensional Centering and Linear Prediction
fHDbetween.default | Renamed Functions
fhdbetween.default | Higher-Dimensional Centering and Linear Prediction
fHDbetween.grouped_df | Renamed Functions
fHDbetween.matrix | Renamed Functions
fhdbetween.matrix | Higher-Dimensional Centering and Linear Prediction
fHDbetween.pdata.frame | Renamed Functions
fhdbetween.pdata.frame | Higher-Dimensional Centering and Linear Prediction
fHDbetween.pseries | Renamed Functions
fhdbetween.pseries | Higher-Dimensional Centering and Linear Prediction
fHDwithin | Renamed Functions
fhdwithin | Higher-Dimensional Centering and Linear Prediction
fHDwithin.data.frame | Renamed Functions
fhdwithin.data.frame | Higher-Dimensional Centering and Linear Prediction
fHDwithin.default | Renamed Functions
fhdwithin.default | Higher-Dimensional Centering and Linear Prediction
fHDwithin.grouped_df | Renamed Functions
fHDwithin.matrix | Renamed Functions
fhdwithin.matrix | Higher-Dimensional Centering and Linear Prediction
fHDwithin.pdata.frame | Renamed Functions
fhdwithin.pdata.frame | Higher-Dimensional Centering and Linear Prediction
fHDwithin.pseries | Renamed Functions
fhdwithin.pseries | Higher-Dimensional Centering and Linear Prediction
findex | Fast Indexed Time Series and Panels
findex_by | Fast Indexed Time Series and Panels
finteraction | Fast Factor Generation, Interactions and Vector Grouping
flag | Fast Lags and Leads for Time Series and Panel Data
flag.data.frame | Fast Lags and Leads for Time Series and Panel Data
flag.default | Fast Lags and Leads for Time Series and Panel Data
flag.grouped_df | Fast Lags and Leads for Time Series and Panel Data
flag.matrix | Fast Lags and Leads for Time Series and Panel Data
flag.pdata.frame | Fast Lags and Leads for Time Series and Panel Data
flag.pseries | Fast Lags and Leads for Time Series and Panel Data
flast | Fast (Grouped) First and Last Value for Matrix-Like Objects
flast.data.frame | Fast (Grouped) First and Last Value for Matrix-Like Objects
flast.default | Fast (Grouped) First and Last Value for Matrix-Like Objects
flast.grouped_df | Fast (Grouped) First and Last Value for Matrix-Like Objects
flast.matrix | Fast (Grouped) First and Last Value for Matrix-Like Objects
flm | Fast (Weighted) Linear Model Fitting
flm.default | Fast (Weighted) Linear Model Fitting
flm.formula | Fast (Weighted) Linear Model Fitting
fmatch | Fast Matching
fmax | Fast (Grouped) Maxima and Minima for Matrix-Like Objects
fmax.data.frame | Fast (Grouped) Maxima and Minima for Matrix-Like Objects
fmax.default | Fast (Grouped) Maxima and Minima for Matrix-Like Objects
fmax.grouped_df | Fast (Grouped) Maxima and Minima for Matrix-Like Objects
fmax.matrix | Fast (Grouped) Maxima and Minima for Matrix-Like Objects
fmean | Fast (Grouped, Weighted) Mean for Matrix-Like Objects
fmean.data.frame | Fast (Grouped, Weighted) Mean for Matrix-Like Objects
fmean.default | Fast (Grouped, Weighted) Mean for Matrix-Like Objects
fmean.grouped_df | Fast (Grouped, Weighted) Mean for Matrix-Like Objects
fmean.matrix | Fast (Grouped, Weighted) Mean for Matrix-Like Objects
fmedian | Fast (Grouped, Weighted) N'th Element/Quantile for Matrix-Like Objects
fmedian.data.frame | Fast (Grouped, Weighted) N'th Element/Quantile for Matrix-Like Objects
fmedian.default | Fast (Grouped, Weighted) N'th Element/Quantile for Matrix-Like Objects
fmedian.grouped_df | Fast (Grouped, Weighted) N'th Element/Quantile for Matrix-Like Objects
fmedian.matrix | Fast (Grouped, Weighted) N'th Element/Quantile for Matrix-Like Objects
fmin | Fast (Grouped) Maxima and Minima for Matrix-Like Objects
fmin.data.frame | Fast (Grouped) Maxima and Minima for Matrix-Like Objects
fmin.default | Fast (Grouped) Maxima and Minima for Matrix-Like Objects
fmin.grouped_df | Fast (Grouped) Maxima and Minima for Matrix-Like Objects
fmin.matrix | Fast (Grouped) Maxima and Minima for Matrix-Like Objects
fmode | Fast (Grouped, Weighted) Statistical Mode for Matrix-Like Objects
fmode.data.frame | Fast (Grouped, Weighted) Statistical Mode for Matrix-Like Objects
fmode.default | Fast (Grouped, Weighted) Statistical Mode for Matrix-Like Objects
fmode.grouped_df | Fast (Grouped, Weighted) Statistical Mode for Matrix-Like Objects
fmode.matrix | Fast (Grouped, Weighted) Statistical Mode for Matrix-Like Objects
fmutate | Fast Transform and Compute Columns on a Data Frame
fncol | Small Functions to Make R Programming More Efficient
fNdistinct | Renamed Functions
fndistinct | Fast (Grouped) Distinct Value Count for Matrix-Like Objects
fNdistinct.data.frame | Renamed Functions
fndistinct.data.frame | Fast (Grouped) Distinct Value Count for Matrix-Like Objects
fNdistinct.default | Renamed Functions
fndistinct.default | Fast (Grouped) Distinct Value Count for Matrix-Like Objects
fNdistinct.grouped_df | Renamed Functions
fndistinct.grouped_df | Fast (Grouped) Distinct Value Count for Matrix-Like Objects
fNdistinct.matrix | Renamed Functions
fndistinct.matrix | Fast (Grouped) Distinct Value Count for Matrix-Like Objects
fnlevels | Small Functions to Make R Programming More Efficient
fNobs | Renamed Functions
fnobs | Fast (Grouped) Observation Count for Matrix-Like Objects
fNobs.data.frame | Renamed Functions
fnobs.data.frame | Fast (Grouped) Observation Count for Matrix-Like Objects
fNobs.default | Renamed Functions
fnobs.default | Fast (Grouped) Observation Count for Matrix-Like Objects
fNobs.grouped_df | Renamed Functions
fnobs.grouped_df | Fast (Grouped) Observation Count for Matrix-Like Objects
fNobs.matrix | Renamed Functions
fnobs.matrix | Fast (Grouped) Observation Count for Matrix-Like Objects
fnrow | Small Functions to Make R Programming More Efficient
fnth | Fast (Grouped, Weighted) N'th Element/Quantile for Matrix-Like Objects
fnth.data.frame | Fast (Grouped, Weighted) N'th Element/Quantile for Matrix-Like Objects
fnth.default | Fast (Grouped, Weighted) N'th Element/Quantile for Matrix-Like Objects
fnth.grouped_df | Fast (Grouped, Weighted) N'th Element/Quantile for Matrix-Like Objects
fnth.matrix | Fast (Grouped, Weighted) N'th Element/Quantile for Matrix-Like Objects
fnunique | Fast Unique Elements / Rows
fprod | Fast (Grouped, Weighted) Product for Matrix-Like Objects
fprod.data.frame | Fast (Grouped, Weighted) Product for Matrix-Like Objects
fprod.default | Fast (Grouped, Weighted) Product for Matrix-Like Objects
fprod.grouped_df | Fast (Grouped, Weighted) Product for Matrix-Like Objects
fprod.matrix | Fast (Grouped, Weighted) Product for Matrix-Like Objects
fquantile | Fast (Weighted) Sample Quantiles and Range
frange | Fast (Weighted) Sample Quantiles and Range
frename | Fast Renaming and Relabelling Objects
fscale | Fast (Grouped, Weighted) Scaling and Centering of Matrix-like Objects
fscale.data.frame | Fast (Grouped, Weighted) Scaling and Centering of Matrix-like Objects
fscale.default | Fast (Grouped, Weighted) Scaling and Centering of Matrix-like Objects
fscale.grouped_df | Fast (Grouped, Weighted) Scaling and Centering of Matrix-like Objects
fscale.matrix | Fast (Grouped, Weighted) Scaling and Centering of Matrix-like Objects
fscale.pdata.frame | Fast (Grouped, Weighted) Scaling and Centering of Matrix-like Objects
fscale.pseries | Fast (Grouped, Weighted) Scaling and Centering of Matrix-like Objects
fsd | Fast (Grouped, Weighted) Variance and Standard Deviation for Matrix-Like Objects
fsd.data.frame | Fast (Grouped, Weighted) Variance and Standard Deviation for Matrix-Like Objects
fsd.default | Fast (Grouped, Weighted) Variance and Standard Deviation for Matrix-Like Objects
fsd.grouped_df | Fast (Grouped, Weighted) Variance and Standard Deviation for Matrix-Like Objects
fsd.matrix | Fast (Grouped, Weighted) Variance and Standard Deviation for Matrix-Like Objects
fselect | Fast Select, Replace or Add Data Frame Columns
fselect<- | Fast Select, Replace or Add Data Frame Columns
fslice | Fast Slicing of Matrix-Like Objects
fslicev | Fast Slicing of Matrix-Like Objects
fsubset | Fast Subsetting Matrix-Like Objects
fsubset.data.frame | Fast Subsetting Matrix-Like Objects
fsubset.default | Fast Subsetting Matrix-Like Objects
fsubset.matrix | Fast Subsetting Matrix-Like Objects
fsubset.pdata.frame | Fast Subsetting Matrix-Like Objects
fsubset.pseries | Fast Subsetting Matrix-Like Objects
fsum | Fast (Grouped, Weighted) Sum for Matrix-Like Objects
fsum.data.frame | Fast (Grouped, Weighted) Sum for Matrix-Like Objects
fsum.default | Fast (Grouped, Weighted) Sum for Matrix-Like Objects
fsum.grouped_df | Fast (Grouped, Weighted) Sum for Matrix-Like Objects
fsum.matrix | Fast (Grouped, Weighted) Sum for Matrix-Like Objects
fsummarise | Fast Summarise
fsummarize | Fast Summarise
ftransform | Fast Transform and Compute Columns on a Data Frame
ftransform<- | Fast Transform and Compute Columns on a Data Frame
ftransformv | Fast Transform and Compute Columns on a Data Frame
fungroup | Fast Grouping / _collapse_ Grouping Objects
funique | Fast Unique Elements / Rows
funique.data.frame | Fast Unique Elements / Rows
funique.default | Fast Unique Elements / Rows
funique.pdata.frame | Fast Unique Elements / Rows
funique.pseries | Fast Unique Elements / Rows
funique.sf | Fast Unique Elements / Rows
fvar | Fast (Grouped, Weighted) Variance and Standard Deviation for Matrix-Like Objects
fvar.data.frame | Fast (Grouped, Weighted) Variance and Standard Deviation for Matrix-Like Objects
fvar.default | Fast (Grouped, Weighted) Variance and Standard Deviation for Matrix-Like Objects
fvar.grouped_df | Fast (Grouped, Weighted) Variance and Standard Deviation for Matrix-Like Objects
fvar.matrix | Fast (Grouped, Weighted) Variance and Standard Deviation for Matrix-Like Objects
fwithin | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
fwithin.data.frame | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
fwithin.default | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
fwithin.grouped_df | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
fwithin.matrix | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
fwithin.pdata.frame | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
fwithin.pseries | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations

## -- G --

G | Fast Growth Rates for Time Series and Panel Data
G.data.frame | Fast Growth Rates for Time Series and Panel Data
G.default | Fast Growth Rates for Time Series and Panel Data
G.grouped_df | Fast Growth Rates for Time Series and Panel Data
G.list | Fast Growth Rates for Time Series and Panel Data
G.matrix | Fast Growth Rates for Time Series and Panel Data
G.pdata.frame | Fast Growth Rates for Time Series and Panel Data
G.pseries | Fast Growth Rates for Time Series and Panel Data
gby | Fast Grouping / _collapse_ Grouping Objects
get_collapse | _collapse_ Package Options
get_elem | Find and Extract / Subset List Elements
get_vars | Fast Select, Replace or Add Data Frame Columns
get_vars<- | Fast Select, Replace or Add Data Frame Columns
GGDC10S | Groningen Growth and Development Centre 10-Sector Database
greorder | Fast Grouping / _collapse_ Grouping Objects
group | Fast Hash-Based Grouping
groupid | Generate Run-Length Type Group-Id
groupv | Fast Hash-Based Grouping
group_by_vars | Fast Grouping / _collapse_ Grouping Objects
GRP | Fast Grouping / _collapse_ Grouping Objects
GRP.default | Fast Grouping / _collapse_ Grouping Objects
GRP.factor | Fast Grouping / _collapse_ Grouping Objects
GRP.grouped_df | Fast Grouping / _collapse_ Grouping Objects
GRP.GRP | Fast Grouping / _collapse_ Grouping Objects
GRP.pdata.frame | Fast Grouping / _collapse_ Grouping Objects
GRP.pseries | Fast Grouping / _collapse_ Grouping Objects
GRP.qG | Fast Grouping / _collapse_ Grouping Objects
GRPid | Fast Grouping / _collapse_ Grouping Objects
GRPN | Fast Grouping / _collapse_ Grouping Objects
GRPnames | Fast Grouping / _collapse_ Grouping Objects
gsplit | Fast Grouping / _collapse_ Grouping Objects
gv | Fast Select, Replace or Add Data Frame Columns
gv<- | Fast Select, Replace or Add Data Frame Columns
gvr | Fast Select, Replace or Add Data Frame Columns
gvr<- | Fast Select, Replace or Add Data Frame Columns

## -- H --

has_elem | Find and Extract / Subset List Elements
HDB | Higher-Dimensional Centering and Linear Prediction
HDB.data.frame | Higher-Dimensional Centering and Linear Prediction
HDB.default | Higher-Dimensional Centering and Linear Prediction
HDB.matrix | Higher-Dimensional Centering and Linear Prediction
HDB.pdata.frame | Higher-Dimensional Centering and Linear Prediction
HDB.pseries | Higher-Dimensional Centering and Linear Prediction
HDW | Higher-Dimensional Centering and Linear Prediction
HDW.data.frame | Higher-Dimensional Centering and Linear Prediction
HDW.default | Higher-Dimensional Centering and Linear Prediction
HDW.matrix | Higher-Dimensional Centering and Linear Prediction
HDW.pdata.frame | Higher-Dimensional Centering and Linear Prediction
HDW.pseries | Higher-Dimensional Centering and Linear Prediction

## -- I --

iby | Fast Indexed Time Series and Panels
indexing | Fast Indexed Time Series and Panels
irreg_elem | Find and Extract / Subset List Elements
is_categorical | Small (Helper) Functions
is_date | Small (Helper) Functions
is_GRP | Fast Grouping / _collapse_ Grouping Objects
is_irregular | Fast Indexed Time Series and Panels
is_qG | Fast Factor Generation, Interactions and Vector Grouping
is_unlistable | Unlistable Lists
itn | Fast Factor Generation, Interactions and Vector Grouping
ix | Fast Indexed Time Series and Panels

## -- J --

join | Fast and Verbose Table Joins

## -- L --

L | Fast Lags and Leads for Time Series and Panel Data
L.data.frame | Fast Lags and Leads for Time Series and Panel Data
L.default | Fast Lags and Leads for Time Series and Panel Data
L.grouped_df | Fast Lags and Leads for Time Series and Panel Data
L.matrix | Fast Lags and Leads for Time Series and Panel Data
L.pdata.frame | Fast Lags and Leads for Time Series and Panel Data
L.pseries | Fast Lags and Leads for Time Series and Panel Data
ldepth | Determine the Depth / Level of Nesting of a List
length.GRP | Fast Grouping / _collapse_ Grouping Objects
list-processing | List Processing
list_elem | Find and Extract / Subset List Elements
list_elem<- | Find and Extract / Subset List Elements
logi_vars | Fast Select, Replace or Add Data Frame Columns
logi_vars<- | Fast Select, Replace or Add Data Frame Columns

## -- M --

massign | Small (Helper) Functions
mctl | Quick Data Conversion
missing_cases | Small Functions to Make R Programming More Efficient
mrtl | Quick Data Conversion
mtt | Fast Transform and Compute Columns on a Data Frame

## -- N --

namlab | Small (Helper) Functions
na_focb | Small Functions to Make R Programming More Efficient
na_insert | Small Functions to Make R Programming More Efficient
na_locf | Small Functions to Make R Programming More Efficient
na_omit | Small Functions to Make R Programming More Efficient
na_rm | Small Functions to Make R Programming More Efficient
num_vars | Fast Select, Replace or Add Data Frame Columns
num_vars<- | Fast Select, Replace or Add Data Frame Columns
nv | Fast Select, Replace or Add Data Frame Columns
nv<- | Fast Select, Replace or Add Data Frame Columns

## -- P --

pad | Pad Matrix-Like Objects with a Value
pivot | Fast and Easy Data Reshaping
plot.GRP | Fast Grouping / _collapse_ Grouping Objects
plot.psmat | Matrix / Array from Panel Series
print.descr | Detailed Statistical Description of Data Frame
print.GRP | Fast Grouping / _collapse_ Grouping Objects
print.index_df | Fast Indexed Time Series and Panels
print.pwcor | (Pairwise, Weighted) Correlations, Covariances and Observation Counts
print.pwcov | (Pairwise, Weighted) Correlations, Covariances and Observation Counts
print.qsu | Fast (Grouped, Weighted) Summary Statistics for Cross-Sectional and Panel Data
psacf | Auto- and Cross- Covariance and Correlation Function Estimation for Panel Series
psacf.data.frame | Auto- and Cross- Covariance and Correlation Function Estimation for Panel Series
psacf.default | Auto- and Cross- Covariance and Correlation Function Estimation for Panel Series
psacf.pdata.frame | Auto- and Cross- Covariance and Correlation Function Estimation for Panel Series
psacf.pseries | Auto- and Cross- Covariance and Correlation Function Estimation for Panel Series
psccf | Auto- and Cross- Covariance and Correlation Function Estimation for Panel Series
psccf.default | Auto- and Cross- Covariance and Correlation Function Estimation for Panel Series
psccf.pseries | Auto- and Cross- Covariance and Correlation Function Estimation for Panel Series
psmat | Matrix / Array from Panel Series
psmat.data.frame | Matrix / Array from Panel Series
psmat.default | Matrix / Array from Panel Series
psmat.pdata.frame | Matrix / Array from Panel Series
psmat.pseries | Matrix / Array from Panel Series
pspacf | Auto- and Cross- Covariance and Correlation Function Estimation for Panel Series
pspacf.data.frame | Auto- and Cross- Covariance and Correlation Function Estimation for Panel Series
pspacf.default | Auto- and Cross- Covariance and Correlation Function Estimation for Panel Series
pspacf.pdata.frame | Auto- and Cross- Covariance and Correlation Function Estimation for Panel Series
pspacf.pseries | Auto- and Cross- Covariance and Correlation Function Estimation for Panel Series
pwcor | (Pairwise, Weighted) Correlations, Covariances and Observation Counts
pwcov | (Pairwise, Weighted) Correlations, Covariances and Observation Counts
pwnobs | (Pairwise, Weighted) Correlations, Covariances and Observation Counts

## -- Q --

qDF | Quick Data Conversion
qDT | Quick Data Conversion
qF | Fast Factor Generation, Interactions and Vector Grouping
qG | Fast Factor Generation, Interactions and Vector Grouping
qM | Quick Data Conversion
qsu | Fast (Grouped, Weighted) Summary Statistics for Cross-Sectional and Panel Data
qsu.data.frame | Fast (Grouped, Weighted) Summary Statistics for Cross-Sectional and Panel Data
qsu.default | Fast (Grouped, Weighted) Summary Statistics for Cross-Sectional and Panel Data
qsu.grouped_df | Fast (Grouped, Weighted) Summary Statistics for Cross-Sectional and Panel Data
qsu.matrix | Fast (Grouped, Weighted) Summary Statistics for Cross-Sectional and Panel Data
qsu.pdata.frame | Fast (Grouped, Weighted) Summary Statistics for Cross-Sectional and Panel Data
qsu.pseries | Fast (Grouped, Weighted) Summary Statistics for Cross-Sectional and Panel Data
qsu.sf | Fast (Grouped, Weighted) Summary Statistics for Cross-Sectional and Panel Data
qtab | Fast (Weighted) Cross Tabulation
qtable | Fast (Weighted) Cross Tabulation
qTBL | Quick Data Conversion
quick-conversion | Quick Data Conversion

## -- R --

radixorder | Fast Radix-Based Ordering
radixorderv | Fast Radix-Based Ordering
rapply2d | Recursively Apply a Function to a List of Data Objects
recode-replace | Recode and Replace Values in Matrix-Like Objects
recode_char | Recode and Replace Values in Matrix-Like Objects
recode_num | Recode and Replace Values in Matrix-Like Objects
reg_elem | Find and Extract / Subset List Elements
reindex | Fast Indexed Time Series and Panels
relabel | Fast Renaming and Relabelling Objects
replace_Inf | Renamed Functions
replace_inf | Recode and Replace Values in Matrix-Like Objects
replace_NA | Renamed Functions
replace_na | Recode and Replace Values in Matrix-Like Objects
replace_outliers | Recode and Replace Values in Matrix-Like Objects
rm_stub | Small (Helper) Functions
rnm | Fast Renaming and Relabelling Objects
rowbind | Row-Bind Lists / Data Frame-Like Objects
roworder | Fast Reordering of Data Frame Rows
roworderv | Fast Reordering of Data Frame Rows
rsplit | Fast (Recursive) Splitting
rsplit.data.frame | Fast (Recursive) Splitting
rsplit.default | Fast (Recursive) Splitting
rsplit.matrix | Fast (Recursive) Splitting

## -- S --

sbt | Fast Subsetting Matrix-Like Objects
seqid | Generate Group-Id from Integer Sequences
seq_col | Small Functions to Make R Programming More Efficient
seq_row | Small Functions to Make R Programming More Efficient
setAttrib | Small (Helper) Functions
setattrib | Small (Helper) Functions
setColnames | Small (Helper) Functions
setDimnames | Small (Helper) Functions
setLabels | Small (Helper) Functions
setop | Small Functions to Make R Programming More Efficient
setrelabel | Fast Renaming and Relabelling Objects
setrename | Fast Renaming and Relabelling Objects
setRownames | Small (Helper) Functions
settfm | Fast Transform and Compute Columns on a Data Frame
settfmv | Fast Transform and Compute Columns on a Data Frame
setTRA | Transform Data by (Grouped) Replacing or Sweeping out Statistics
settransform | Fast Transform and Compute Columns on a Data Frame
settransformv | Fast Transform and Compute Columns on a Data Frame
setv | Small Functions to Make R Programming More Efficient
set_collapse | _collapse_ Package Options
slt | Fast Select, Replace or Add Data Frame Columns
slt<- | Fast Select, Replace or Add Data Frame Columns
small-helpers | Small (Helper) Functions
smr | Fast Summarise
ss | Fast Subsetting Matrix-Like Objects
STD | Fast (Grouped, Weighted) Scaling and Centering of Matrix-like Objects
STD.data.frame | Fast (Grouped, Weighted) Scaling and Centering of Matrix-like Objects
STD.default | Fast (Grouped, Weighted) Scaling and Centering of Matrix-like Objects
STD.grouped_df | Fast (Grouped, Weighted) Scaling and Centering of Matrix-like Objects
STD.matrix | Fast (Grouped, Weighted) Scaling and Centering of Matrix-like Objects
STD.pdata.frame | Fast (Grouped, Weighted) Scaling and Centering of Matrix-like Objects
STD.pseries | Fast (Grouped, Weighted) Scaling and Centering of Matrix-like Objects
summary-statistics | Summary Statistics

## -- T --

tfm | Fast Transform and Compute Columns on a Data Frame
tfm<- | Fast Transform and Compute Columns on a Data Frame
tfmv | Fast Transform and Compute Columns on a Data Frame
time-series-panel-series | Time Series and Panel Series
timeid | Generate Integer-Id From Time/Date Sequences
to_plm | Fast Indexed Time Series and Panels
TRA | Transform Data by (Grouped) Replacing or Sweeping out Statistics
TRA.data.frame | Transform Data by (Grouped) Replacing or Sweeping out Statistics
TRA.default | Transform Data by (Grouped) Replacing or Sweeping out Statistics
TRA.grouped_df | Transform Data by (Grouped) Replacing or Sweeping out Statistics
TRA.matrix | Transform Data by (Grouped) Replacing or Sweeping out Statistics
t_list | Efficient List Transpose

## -- U --

unattrib | Small (Helper) Functions
unindex | Fast Indexed Time Series and Panels
unlist2d | Recursive Row-Binding / Unlisting in 2D - to Data Frame

## -- V --

varying | Fast Check of Variation in Data
varying.data.frame | Fast Check of Variation in Data
varying.default | Fast Check of Variation in Data
varying.grouped_df | Fast Check of Variation in Data
varying.matrix | Fast Check of Variation in Data
varying.pdata.frame | Fast Check of Variation in Data
varying.pseries | Fast Check of Variation in Data
varying.sf | Fast Check of Variation in Data
vclasses | Small (Helper) Functions
vec | Small Functions to Make R Programming More Efficient
vgcd | Small Functions to Make R Programming More Efficient
vlabels | Small (Helper) Functions
vlabels<- | Small (Helper) Functions
vlengths | Small Functions to Make R Programming More Efficient
vtypes | Small Functions to Make R Programming More Efficient

## -- W --

W | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
W.data.frame | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
W.default | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
W.grouped_df | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
W.matrix | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
W.pdata.frame | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
W.pseries | Fast Between (Averaging) and (Quasi-)Within (Centering) Transformations
whichNA | Small Functions to Make R Programming More Efficient
whichv | Small Functions to Make R Programming More Efficient
wlddev | World Development Dataset

## -- misc --

$.indexed_frame | Fast Indexed Time Series and Panels
$<-.indexed_frame | Fast Indexed Time Series and Panels
%!=% | Small Functions to Make R Programming More Efficient
%!iin% | Fast Matching
%!in% | Fast Matching
%*=% | Small Functions to Make R Programming More Efficient
%+=% | Small Functions to Make R Programming More Efficient
%-=% | Small Functions to Make R Programming More Efficient
%/=% | Small Functions to Make R Programming More Efficient
%=% | Small (Helper) Functions
%==% | Small Functions to Make R Programming More Efficient
%c*% | Fast Row/Column Arithmetic for Matrix-Like Objects
%c+% | Fast Row/Column Arithmetic for Matrix-Like Objects
%c-% | Fast Row/Column Arithmetic for Matrix-Like Objects
%c/% | Fast Row/Column Arithmetic for Matrix-Like Objects
%cr% | Fast Row/Column Arithmetic for Matrix-Like Objects
%iin% | Fast Matching
%r*% | Fast Row/Column Arithmetic for Matrix-Like Objects
%r+% | Fast Row/Column Arithmetic for Matrix-Like Objects
%r-% | Fast Row/Column Arithmetic for Matrix-Like Objects
%r/% | Fast Row/Column Arithmetic for Matrix-Like Objects
%rr% | Fast Row/Column Arithmetic for Matrix-Like Objects
.c | Small (Helper) Functions
.COLLAPSE_ALL | Collapse Documentation & Overview
.COLLAPSE_DATA | Collapse Documentation & Overview
.COLLAPSE_GENERIC | Collapse Documentation & Overview
.COLLAPSE_OLD | Renamed Functions
.COLLAPSE_TOPICS | Collapse Documentation & Overview
.FAST_FUN | Fast (Grouped, Weighted) Statistical Functions for Matrix-Like Objects
.FAST_STAT_FUN | Fast (Grouped, Weighted) Statistical Functions for Matrix-Like Objects
.op | _collapse_ Package Options
.OPERATOR_FUN | Data Transformations
.quantile | Fast (Weighted) Sample Quantiles and Range
.range | Fast (Weighted) Sample Quantiles and Range
[.descr | Detailed Statistical Description of Data Frame
[.indexed_frame | Fast Indexed Time Series and Panels
[.indexed_series | Fast Indexed Time Series and Panels
[.index_df | Fast Indexed Time Series and Panels
[.psmat | Matrix / Array from Panel Series
[<-.indexed_frame | Fast Indexed Time Series and Panels
[[.indexed_frame | Fast Indexed Time Series and Panels
[[<-.indexed_frame | Fast Indexed Time Series and Panels