Save PCA results to files — save_pca_results • ADS8192

Writes PCA scores and variance explained to tab-separated files. Optionally saves a PCA plot as PNG.

Usage

save_pca_results(pca_result, output_dir, prefix = "pca")

Arguments

pca_result: Output from run_pca().
output_dir: Directory to save files. Created if it does not exist.
prefix: Prefix for filenames. Default: "pca".

Value

Invisible NULL; files are written to output_dir:

{prefix}_scores.tsv: PCA scores with sample metadata.
{prefix}_variance.tsv: Variance explained by each PC.

Author

Jared Andrews

Examples

if (FALSE) { # \dontrun{
data(airway, package = "airway")
result <- run_pca(airway, n_top = 50)
save_pca_results(result, tempdir())
} # }