rasch_split | R Documentation |
Split survey items by categories for a Rasch Model
rasch_split(df, vars_metric, split_strategy, max_values)
df |
a data frame of individual survey data, where each row is an individual |
vars_metric |
a character vector of items to use in the Rasch Analysis |
split_strategy |
a named list giving the strategy to take for splitting variables by categories, passed to |
max_values |
a tibble with two columns, |
If significant differential item functioning (DIF) is observed, it may be desirable to split variables based on the characteristic for which DIF is observed. For example, if men and women have significantly different patterns of responses to items, then it may be desirable to split items by sex. This function performs that variable splitting.
a named list with:
df |
new |
vars_metric |
new |
max_values |
new |
Other rasch functions:
rasch_DIF()
,
rasch_df_nest()
,
rasch_drop()
,
rasch_factor()
,
rasch_mds_children()
,
rasch_mds()
,
rasch_model_children()
,
rasch_model()
,
rasch_quality_children_print()
,
rasch_quality_children()
,
rasch_rawscore()
,
rasch_recode()
,
rasch_rescale_children()
,
rasch_rescale()
,
rasch_split_age()
,
rasch_testlet()
Other children analysis functions:
rasch_df_nest()
,
rasch_drop()
,
rasch_mds_children()
,
rasch_model_children()
,
rasch_quality_children_print()
,
rasch_quality_children()
,
rasch_recode()
,
rasch_rescale_children()
,
rasch_split_age()
,
rasch_testlet()
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