# Let Data Talk

## Documentation for package ‘ldt’ version 0.2.0.0

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

## Help Pages

BindVariables | Binds a List of Variables
ClusterH | Hierarchical Clustering
ClusterHGroup | Groups Variables with Hierarchical Clustering
CoefTable | Extract Coefficients from a list of 'ldtestim' object
combineSearch | Combine More Than One 'ldtsearch' Objects
CreateProject | Creates JSON Data for an 'LDTSurvey' Project
Data_BerkaLoan | Use 'Berka' Data and create 'Loan-Series' Table
Data_Pcp | Use 'PCP' Data (i.e., 'IMF's Primary Commodity Prices') and create 'Date-Series' Table
Data_VestaFraud | Use 'Vesta' Data (i.e., 'IEEE-CIS Fraud Detection') and create 'Fraud-Series' Table
Data_Wdi | Aggregate WDI Data and create 'Country-Series' Table
Data_WdiSearchFor | Search For Series in WDI Data
DcEstim | Estimates an Discrete Choice Model
DcSearch | Discrete Choice Search
DcSearch_s | Step-wise Discrete Choice Search
F_CrossSection | Creates a Cross-Section Frequency
F_Daily | Creates a 'Daily' Frequency
F_DailyInWeek | Creates an 'Daily-In-Week' Frequency
F_Hourly | Creates an 'Hourly' Frequency
F_ListDate | Creates an 'List-Date' Frequency
F_ListString | Creates an 'List-String' Frequency
F_Minute_ly | Creates an 'Minute-ly' Frequency
F_Monthly | Creates a 'Monthly' Frequency
F_MultiDaily | Creates an 'Multi-Daily' Frequency
F_MultiWeekly | Creates a 'Multi-Weekly' Frequency
F_MultiYearly | Creates a 'Multi-Yearly' Frequency
F_Quarterly | Creates a 'Quarterly' Frequency
F_Second_ly | Creates an 'Second-ly' Frequency
F_Weekly | Creates a 'Weekly' Frequency
F_XTimesADay | Creates an 'X-Times-A-Day' Frequency
F_XTimesAYear | Creates an 'X-Times-A-Year' Frequency
F_XTimesZYear | Creates an 'X-Times-Z-Years' Frequency
F_Yearly | Creates a 'Yearly' Frequency
GetCombination4Moments | Combines Two Distributions Defined by their First 4 Moments
GetDistance | Gets Distances Between Variables
getDummy | Title
GetEstim | Get Estimation from Search Result
GetGldFromMoments | Gets the GLD-FKML Parameters from the moments
GetLmbfgsOptions | Options for LMBFGS Optimization
GetMeasureFromWeight | Converts a Measure to Weight
GetMeasureOptions | Options for 'Measuring Performance'
GetModelCheckItems | Options for 'Model Check Items'
GetNelderMeadOptions | Options for Nelder-Mead Optimization
GetNewtonOptions | Options for Newton Optimization
GetPca | Principle Component Analysis
GetPcaOptions | Options for PCA
GetRoc | ROC curve for a binary case
GetRocOptions | Options for ROC and AUC
GetSearchItems | Options for 'Search Items'
GetSearchOptions | Options for 'Search Options'
GetWeightFromMeasure | Converts a Measure to Weight
GldDensityQuantile | Gets GLD Density Quantile
GldQuantile | Gets GLD Quantile
IsEmailValid | Determines if an email address is valid (this is not exact. Just use it to avoid mistakes)
IsGuidValid | Determines if a GUID is valid
LongrunGrowth | Calculate Long-run Growth
Parse_F | Converts back a String to 'ldtf' Object
PlotCoefs | Plots Estimated Coefficients
print.ldtf | Prints an 'ldtf' object
print.ldtsearch | Print an 'ldtsearch' object
print.ldtv | Prints an 'ldtv' object
RemoveNaStrategies | Remove NA and Count the Number of Observations in Different Scenarios
Search_s | Stepwise estimation
Sequence_F | Generates a Sequence for a frequency
summary.ldtsearch | Summarize an 'ldtsearch' object
SurEstim | Estimates an SUR Model
SurSearch | SUR Search
SurSearch_s | Step-wise SUR Search
to.data.frame | Converts an 'ldtv' object to a 'data.frame'
ToClassString_F | Converts an 'ldtf' Object to String
ToString_F | Converts an 'ldtf' Object to String
ToString_F0 | Similar to 'ToString_F' and Return Value and Class as String
Variable | Creates a Variable
VariableToString | Converts a Variable to String
VarmaEstim | Estimates an VARMA Model
VarmaSearch | VARMA Search
VarmaSearch_s | Step-wise VARMA Search
vig_data | Data for Vignettes (and Tests)