# Calculate Results from WHO Model Disability Survey Data

## Documentation for package ‘whomds’ version 1.1.1

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

## Help Pages

df_adults | Example of WHO Model Disability Survey data for adults
df_children | Example of WHO Model Disability Survey data for children
fig_density | Plot a density of a score
fig_dist | Plot a distribution of a score
fig_LID | Print a graph showing significant correlations between survey items
fig_poppyramid | Print a population pyramid
helper_checkrow | Check a vector for particular values
helper_indicator | Create indicators from data frame
helper_installation | Check installation of whomds is the most updated
helper_palette | Color palette for the MDS
helper_rowSums | Perform row sum
helper_varslist | Convert list to vector with unique elements
rasch_df_nest | Nest data by age group
rasch_DIF | Perform analysis of Differential Item Functioning (DIF) for Rasch Model
rasch_drop | Drop items from a Rasch Analysis
rasch_factor | Calculate a factor analysis for a Rasch Model
rasch_mds | Top-level function to perform Rasch Analysis on WHO Model Disability Survey data
rasch_mds_children | Top-level function to perform Rasch Analysis on WHO Model Disability Survey data for children
rasch_model | Run the Rasch Model and print diagnostic results
rasch_model_children | Run the multigroup and anchored Rasch Model
rasch_quality_children | Calculate quality of multigroup and anchored Rasch Models
rasch_quality_children_print | Print results of analysis of Rasch Model quality
rasch_rawscore | Add the raw scores to the data and artificial individuals attaining the minimum and/or maximum
rasch_recode | Recode survey items for use in Rasch Analysis
rasch_rescale | Rescale score from Rasch Analysis to range from 0 to 100
rasch_rescale_children | Rescale score from Rasch Analysis for children to range from 0 to 100
rasch_split | Split survey items by categories for a Rasch Model
rasch_split_age | Split all survey items by age category for a Rasch Model if they are not discrete
rasch_testlet | Create testlets of survey items for a Rasch Model
SepRel_1.0.1 | Separation Reliability: Person Separation Reliability
table_basicstats | Compute basic statistics of the number of members per group per household
table_unweightedpctn | Compute unweighted percent and N for multiple variables, disaggregated
table_weightedpct | Calculate table of percentages or N of response distribution for survey items, survey weighted, disaggregated