Calculate perplexity from individual-level data

Source: R/model-criticism.R

Calculate perplexity from individual-level data

perplexity_individuals(
  lca_result,
  pre_test,
  pst_test,
  per_individual = FALSE,
  na_as = c("dk", "missing"),
  missing_action = c("omit", "error")
)

Arguments

lca_result

output from lca_cor() or item_lca_fit()

pre_test

data.frame of pre-test responses

pst_test

data.frame of post-test responses

per_individual

logical; return per-individual perplexity?

na_as

classification of NA responses

missing_action

structural missingness handling

Value

numeric scalar or vector