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#' Get Clustered Median Gene Expression
#'
#' @description Find median gene expression data along with hierarchical
#' clusters.
#'
#' - Returns median gene expression in tissues along with The hierarchical clustering results of tissues and genes, based on gene expression, in Newick format.
#' - Results may be filtered by dataset, gene or tissue, but at least one gene must be provided
#' - The hierarchical clustering is performed by calculating Euclidean distances and using the average linkage method.
#' - **This endpoint is not paginated.**
#'
#' By default, this service queries the latest GTEx release.
#'
#' [GTEx Portal API
#' documentation](https://gtexportal.org/api/v2/redoc#tag/Expression-Data-Endpoints/operation/get_clustered_median_gene_expression_api_v2_expression_clusteredMedianGeneExpression_get)
#'
#' @inheritParams gtexr_arguments
#'
#' @returns A tibble. Or a list if `.return_raw = TRUE`.
#' @export
#' @family Expression Data Endpoints
#'
#' @examples
#' \dontrun{
#' get_clustered_median_gene_expression(gencodeIds = c(
#' "ENSG00000203782.5",
#' "ENSG00000132693.12"
#' ))
#'
#' # clustering data is stored as an attribute "clusters"
#' result <- get_clustered_median_gene_expression(c(
#' "ENSG00000203782.5",
#' "ENSG00000132693.12"
#' ))
#' attr(result, "clusters")
#'
#' # process clustering data with the ape package
#' # install.packages("ape")
#' # phylo_tree <- ape::read.tree(text = attr(result, "clusters")$tissue)
#' # plot(phylo_tree)
#' # print(phylo_tree)
#' }
get_clustered_median_gene_expression <- function(gencodeIds,
datasetId = "gtex_v8",
tissueSiteDetailIds = NULL,
.return_raw = FALSE) {
gtex_query(endpoint = "expression/clusteredMedianGeneExpression",
process_get_clustered_median_gene_expression_resp_json)
}
process_get_clustered_median_gene_expression_resp_json <- function(resp_json) {
process_clustered_expression_resp_json(resp_json, "medianGeneExpression")
}
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