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#' @importFrom ggeffects ggpredict ggeffect
plot_type_eff <- function(type,
model,
terms,
ci.lvl,
pred.type,
facets,
show.data,
jitter,
geom.colors,
axis.title,
title,
legend.title,
axis.lim,
case,
show.legend,
dot.size,
line.size,
...) {
if (missing(facets) || is.null(facets)) facets <- FALSE
pred.type <- switch(pred.type,
fe = "fixed",
re = "random",
pred.type
)
if (type == "pred") {
dat <- ggeffects::ggpredict(
model = model,
terms = terms,
ci_level = ci.lvl,
type = pred.type,
...
)
} else if (type == "emm") {
dat <- ggeffects::ggemmeans(
model = model,
terms = terms,
ci_level = ci.lvl,
type = pred.type,
...
)
} else {
dat <- ggeffects::ggeffect(
model = model,
terms = terms,
ci_level = ci.lvl,
...
)
}
if (is.null(dat)) return(NULL)
# evaluate dots-arguments
alpha <- .15
dodge <- .1
dot.alpha <- .5
log.y <- FALSE
# save number of terms, needed later
n.terms <- length(insight::find_predictors(model, component = "conditional", flatten = TRUE))
add.args <- lapply(match.call(expand.dots = F)$`...`, function(x) x)
if ("alpha" %in% names(add.args)) alpha <- eval(add.args[["alpha"]])
if ("dodge" %in% names(add.args)) dodge <- eval(add.args[["dodge"]])
if ("dot.alpha" %in% names(add.args)) dot.alpha <- eval(add.args[["dot.alpha"]])
if ("log.y" %in% names(add.args)) log.y <- eval(add.args[["log.y"]])
# select color palette
if (geom.colors[1] != "bw") {
if (is.null(terms)) {
if (facets) {
geom.colors <- "bw"
.ngrp <- n.terms
} else {
.ngrp <- 1
}
} else {
.ngrp <- dplyr::n_distinct(dat$group)
}
geom.colors <- col_check2(geom.colors, .ngrp)
}
p <- graphics::plot(
dat,
show_ci = !is.na(ci.lvl),
facets = facets,
show_data = show.data,
colors = geom.colors,
use_theme = FALSE,
jitter = jitter,
case = case,
show_legend = show.legend,
dot_alpha = dot.alpha,
alpha = alpha,
dodge = dodge,
log_y = log.y,
dot_size = dot.size,
line_size = line.size
)
# set axis and plot titles
if (!is.null(axis.title) && !is.null(terms)) {
if (length(axis.title) > 1) {
p <- p + labs(x = axis.title[1], y = axis.title[2])
} else {
p <- p + labs(y = axis.title)
}
} else if (!is.null(axis.title) && is.null(terms)) {
if (length(axis.title) > 1) {
p <- purrr::map(p, ~ .x + labs(x = axis.title[1], y = axis.title[2]))
} else {
p <- purrr::map(p, ~ .x + labs(y = axis.title))
}
}
# set axis and plot titles
if (!is.null(title) && !is.null(terms))
p <- p + ggtitle(title)
else if (!is.null(title) && is.null(terms))
p <- purrr::map(p, ~ .x + ggtitle(title))
# set axis and plot titles
if (!is.null(legend.title)) {
if (geom.colors[1] == "bw") {
p <- p +
labs(linetype = legend.title) +
guides(colour = "none")
} else {
p <- p + labs(colour = legend.title)
}
}
# set axis limits
if (!is.null(axis.lim)) {
if (is.list(axis.lim))
p <- p + xlim(axis.lim[[1]]) + ylim(axis.lim[[2]])
else
p <- p + ylim(axis.lim)
}
p
}
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