Create table with Rasch PCM model item fit values for each item.

Special version of RIitemfitPCM() that utilizes multiple CPU cores to improve performance. Requires library(doParallel). To find how many cores you have on your computer, use parallel::detectCores(), but remember to keep some cores free.

Usage

RIitemfitPCM2(
  dfin,
  samplesize = 200,
  nsamples = 8,
  cpu = 4,
  zstd_min = -1.96,
  zstd_max = 1.96,
  msq_min = 0.7,
  msq_max = 1.3,
  fontsize = 15,
  fontfamily = "Lato",
  output = "table",
  tbl_width = 65,
  method = "conditional"
)

Arguments

dfin

Dataframe with item data only

samplesize

Desired sample size in multisampling (recommended range 200-500)

nsamples

Desired number of samples (recommended range 8-50)

cpu

Number of CPU cores to utilize (default = 4)

zstd_min

Lower cutoff level for ZSTD

zstd_max

Upper cutoff level for ZSTD

msq_min

Lower cutoff level for MSQ

msq_max

Upper cutoff level for MSQ

fontsize

Set fontsize for table

fontfamily

Set font family for table

output

Defaults to output a table. Optional "dataframe" or "quarto"

tbl_width

Set table width in percent

method

Defaults to "conditional". Optional "unconditional"

Details

See documentation for RIitemfitPCM() for more complete information.