Calculate Results from WHO Model Disability Survey Data
Plot a density of a score
Plot a distribution of a score
Print a graph showing significant correlations between survey items
Print a population pyramid
Check a vector for particular values
Create indicators from data frame
Check installation of whomds is the most updated
Color palette for the MDS
Perform row sum
Convert list to vector with unique elements
Nest data by age group
Perform analysis of Differential Item Functioning (DIF) for Rasch Mode...
Drop items from a Rasch Analysis
Calculate a factor analysis for a Rasch Model
Top-level function to perform Rasch Analysis on WHO Model Disability S...
Top-level function to perform Rasch Analysis on WHO Model Disability S...
Run the Rasch Model and print diagnostic results
Run the multigroup and anchored Rasch Model
Calculate quality of multigroup and anchored Rasch Models
Print results of analysis of Rasch Model quality
Add the raw scores to the data and artificial individuals attaining th...
Recode survey items for use in Rasch Analysis
Rescale score from Rasch Analysis to range from 0 to 100
Rescale score from Rasch Analysis for children to range from 0 to 100
Split survey items by categories for a Rasch Model
Split all survey items by age category for a Rasch Model if they are n...
Create testlets of survey items for a Rasch Model
Separation Reliability: Person Separation Reliability
Compute basic statistics of the number of members per group per househ...
Compute unweighted percent and N for multiple variables, disaggregated
Calculate table of percentages or N of response distribution for surve...
whomds: A package for calculating results from WHO Model Disability Su...
The Model Disability Survey (MDS) <https://www.who.int/activities/collection-of-data-on-disability> is a World Health Organization (WHO) general population survey instrument to assess the distribution of disability within a country or region, grounded in the International Classification of Functioning, Disability and Health <https://www.who.int/standards/classifications/international-classification-of-functioning-disability-and-health>. This package provides fit-for-purpose functions for calculating and presenting the results from this survey, as used by the WHO. The package primarily provides functions for implementing Rasch Analysis (see Andrich (2011) <doi:10.1586/erp.11.59>) to calculate a metric scale for disability.
Useful links