Removes features with low variance across samples.
Usage
filter_low_variance(data_list, min_var = 0.01, top_n = NULL, top_pct = NULL)
Arguments
- data_list
List of data matrices (features x samples).
- min_var
Minimum variance threshold (default: 0.01).
- top_n
Keep top N features by variance (optional).
- top_pct
Keep top percentage of features (optional, 0-1).
Value
List of filtered matrices.