Downsample Features

Randomly downsample features and assign to VariableFeatures for the object. This will select n features at random.

Usage

DownsampleFeatures(object, assay = NULL, n = 20000, verbose = TRUE)

Arguments

object

A Seurat object

assay

Name of assay to use. Default is the active assay.

n

Number of features to retain (default 20000).

verbose

Display messages

Value

Returns a SeuratObject::Seurat() object with SeuratObject::VariableFeatures() set to the randomly sampled features.

Examples

DownsampleFeatures(atac_small, n = 10)
#> Randomly downsampling features
#> An object of class Seurat 
#> 150 features across 100 samples within 2 assays 
#> Active assay: peaks (100 features, 10 variable features)
#>  2 layers present: counts, data
#>  1 other assay present: RNA
#>  2 dimensional reductions calculated: lsi, umap