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Performs a goodness-of-fit test and calculates the Gini coefficient for each item. The goodness-of-fit-test is calculated using stats::chisq.test.
stats::chisq.test
effect_counts_items(data, cols, labels = TRUE, clean = TRUE, ...)
A volker tibble with the following statistical measures:
Gini coefficient: Gini coefficient, measuring inequality.
n: Number of cases the calculation is based on.
Chi-squared: Chi-Squared test statistic.
p: p-value for the statistical test.
stars: Significance stars based on p-value (*, **, ***).
A tibble containing item measures.
Tidyselect item variables (e.g. starts_with...).
If TRUE (default) extracts labels from the attributes, see codebook.
Prepare data by data_clean.
Placeholder to allow calling the method with unused parameters from effect_counts.
library(volker) data <- volker::chatgpt effect_counts_items(data, starts_with("cg_adoption_adv"))
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