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#' @export
model_parameters.ggeffects <- function(model, keep = NULL, drop = NULL, verbose = TRUE, ...) {
ci <- attributes(model)$ci.lvl
co_terms <- attributes(model)$terms[-1]
focal_term <- attributes(model)$terms[1]
constant_values <- attributes(model)$constant.values
caption <- attr(model, "title")
# exception for survival
if (attributes(model)$type %in% c("surv", "survival", "cumhaz", "cumulative_hazard")) {
focal_term <- "Time"
}
model <- as.data.frame(model, terms_to_colnames = FALSE)
# rename columns
new_colnames <- colnames(model)
new_colnames[new_colnames == "predicted"] <- "Predicted"
new_colnames[new_colnames == "std.error"] <- "SE"
new_colnames[new_colnames == "conf.low"] <- "CI_low"
new_colnames[new_colnames == "conf.high"] <- "CI_high"
new_colnames[new_colnames == "group"] <- "Component"
new_colnames[new_colnames == "facet"] <- "Group"
new_colnames[new_colnames == "response"] <- "Subgroup"
colnames(model) <- new_colnames
model$SE <- NULL
if (insight::n_unique(model$Component) == 1) {
model$Component <- NULL
}
if (!is.null(focal_term)) {
colnames(model)[1] <- focal_term
}
if (length(co_terms) >= 1) {
model$Component <- paste0(co_terms[1], " = ", model$Component)
}
if (length(co_terms) >= 2) {
model$Group <- paste0(co_terms[2], " = ", model$Group)
}
if (length(co_terms) >= 3) {
model$Subgroup <- paste0(co_terms[3], " = ", model$Subgroup)
}
# filter parameters
if (!is.null(keep) || !is.null(drop)) {
model <- .filter_parameters(model,
keep = keep,
drop = drop,
verbose = verbose
)
}
model <- .add_model_parameters_attributes(model, model, ci = ci, verbose = verbose)
# special attributes
attr(model, "is_ggeffects") <- TRUE
attr(model, "footer_text") <- .generate_ggeffects_footer(constant_values)
attr(model, "title") <- c(caption, "blue")
attr(model, "object_name") <- insight::safe_deparse_symbol(substitute(model))
class(model) <- c("parameters_model", "data.frame")
model
}
.generate_ggeffects_footer <- function(constant_values) {
cv <- lapply(constant_values, function(.x) {
if (is.numeric(.x)) {
sprintf("%.2f", .x)
} else {
as.character(.x)
}
})
footer <- NULL
if (!insight::is_empty_object(cv)) {
cv.names <- names(cv)
cv.space <- max(nchar(cv.names))
# ignore this string when determining maximum length
poplev <- which(cv %in% c("NA (population-level)", "0 (population-level)"))
if (insight::is_empty_object(poplev)) {
mcv <- cv
} else {
mcv <- cv[-poplev]
}
if (insight::is_empty_object(mcv)) {
cv.space2 <- 0
} else {
cv.space2 <- max(nchar(mcv))
}
adjusted_predictors <- paste0(sprintf("* %*s = %*s", cv.space, cv.names, cv.space2, cv), collapse = "\n")
footer <- paste0("Adjusted for:\n", adjusted_predictors)
}
footer
}
.get_ggeffects_model <- function(x) {
obj_name <- attr(x, "model.name", exact = TRUE)
.model <- NULL
if (!is.null(obj_name)) {
.model <- .safe(get(obj_name, envir = parent.frame()))
if (is.null(.model)) {
.model <- .safe(get(obj_name, envir = globalenv()))
}
if (is.null(.model)) {
.model <- .safe(.dynGet(obj_name))
}
}
.model
}
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