tidy.SingleGroupClass | R Documentation |
Convert MIRT SingleGroupClass to tidy tibble
## S3 method for class 'SingleGroupClass' tidy(x, group_pars = TRUE, ...)
x |
mirt model (often returned by mirt() function) |
group_pars |
whether to include non-item parameters (e.g. latent mean or covariance) |
... |
passed along with model to coef method |
tibble with columns for item_number, item, term (e.g. a1, d), estimate
# We'll use examples from the mirt library (see ?mirt) library(mirt) #load mirt library LSAT section 7 data data <- expand.table(LSAT7) # one-factor model mod1 <- mirt(data, 1) tidy(mod1) tidy(mod1, group_pars = FALSE) # only item parameters # two-factor model mod2 <- mirt(data, 2) tidy(mod2)
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