plot_item_map_grm3() generates an item person map using a GRM model with 4 response categories
Usage
plot_item_map_grm3(scale_info, scale_num, model)
Arguments
- scale_info
a data frame where items memmbership to scale is uniquely identify
- scale_num
a number, that identifies a unique set of items within the scale_info table
- model
it uses an input a mplus_object generated with MplusAutomation
Value
a item map plot generated with library(ggplot2)
Examples
plot_item_map_grm3(scales_data, 2, scale_002)
#> Loading required package: dplyr
#> Loading required package: tidyr
#> Loading required package: ggplot2
#> Loading required package: ggpubr
#> Error: object 'scale_002' not found