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#' @describeIn tidy_stats tidy_stats method for class 'BayesFactor'
#' @export
tidy_stats.BFBayesFactor <- function(x, args = NULL) {
# Create the analysis list
analysis <- list()
# Determine and set the method
class <- class(x@numerator[[1]])[1]
analysis$method <- dplyr::case_when(
class == "BFoneSample" ~ "Bayesian t-test",
class == "BFlinearModel" ~ "Bayesian linear regression",
class == "BFcorrelation" ~ "Bayesian correlation",
class == "BFcontingencyTable" ~ "Bayesian contingency table",
class == "BFproportion" ~ "Bayesian analysis of proportions",
class == "BFmetat" ~ "Bayesian meta-analysis"
)
# Extract bayes factors
bayes_factors <- BayesFactor::extractBF(x)
# Extract the statistics or loop over the models
if (nrow(bayes_factors) == 1) {
# Create a statistics list
statistics <- list()
# Extract statistics
statistics <- add_statistic(
statistics, "BF10", bayes_factors$bf, "BF",
"10"
)
statistics <- add_statistic(
statistics, "BF01", 1 / bayes_factors$bf, "BF",
"01"
)
statistics <- add_statistic(
statistics, "proportional error",
bayes_factors$error, "PE"
)
# Add statistics to the analysis
analysis$statistics <- statistics
} else {
# Create a list to store the different models in
groups <- list(name = "Models")
# Loop over the models
for (i in seq_len(nrow(bayes_factors))) {
# Create a list to store the model statistics in
group <- list(name = rownames(bayes_factors)[i])
# Create a list to add the statistics to
statistics <- list()
statistics <- add_statistic(
statistics, "BF10", bayes_factors$bf[i], "BF",
"10"
)
statistics <- add_statistic(
statistics, "BF01", 1 / bayes_factors$bf[i],
"BF", "01"
)
statistics <- add_statistic(
statistics, "proportional error",
bayes_factors$error[i], "PE"
)
# Add statistics to the model list
group$statistics <- statistics
# Add the model group to the groups list
groups$groups <- append(groups$groups, list(group))
}
# Add the list of models to the analysis list
analysis$groups <- append(analysis$groups, list(groups))
}
# Add denominator model information
alternative <- list(
name = x@denominator@longName,
formula = x@denominator@identifier$formula
)
analysis$alternative <- alternative
# Add package information
analysis <- add_package_info(analysis, "BayesFactor")
return(analysis)
}
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