Load a gene-by-sample expression matrix from CSV

Reads a CSV with gene IDs in the first column (row names) and non-negative numeric expression values for each sample.

load_expression_matrix(path)

Arguments

path

Path to a CSV file.

Value

Numeric matrix with genes as rows and samples as columns.

Examples

path <- expression_matrix_path()
if (nzchar(path)) {
  V <- load_expression_matrix(path)
}