#' Get ggplot to visualize output from \code{\link{check_model.fit_model_hedonic}}
#'
#' @description
#' \code{plot.check_model_hedonic} returns ggplot to visualize outputs from \code{\link{check_model.fit_model_hedonic}}
#'
#' @param x Output from \code{\link{check_model.fit_model_hedonic}}
#'
#' @param ... further arguments passed to or from other methods
#'
#' @details
#' S3 method.
#'
#' variance_intra_germplasm display the repartition of the residuals for each germplasm which represent the person assessor variation plus the intra-germplasm variance
#'
#' See example in the book : https://priviere.github.io/PPBstats_book/hedonic.html#check-and-visualize-model-outputs-6
#'
#' @return
#'
#' \itemize{
#' \item residuals
#' \itemize{
#' \item histogram : histogram with the distribution of the residuals
#' \item qqplot
#' \item points
#' }
#' \item variability_repartition : pie with repartition of SumSq for each factor
#' \item variance_intra_germplasm : repartition of the residuals for each germplasm (see Details for more information)
#' \item CA_composante_variance : variance caught by each dimension of the CA
#' \item PCA_composante_variance : variance caught by each dimension of the PCA previous to the HCPC
#' }
#'
#' @author Pierre Riviere
#'
#' @seealso \code{\link{check_model.fit_model_hedonic}}
#'
#' @export
#'
#' @import factoextra
#'
plot.check_model_hedonic <- function(
x, ...
){
# anova
out = plot_check_freq_anova(x, variable = "note")
# CA composante variance
data_ggplot_ca = x$hedonic$CA
p_ca = factoextra::fviz_eig(data_ggplot_ca) + ggtitle("")
# PCA composante variance
data_ggplot_pca = x$hedonic$HCPC$res.pca
p_pca = factoextra::fviz_eig(data_ggplot_pca) + ggtitle("")
# return results
out = c(out, list("CA_composante_variance" = p_ca, "PCA_composante_variance" = p_pca))
return(out)
}
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