mikropml (version 1.7.0)

collapse_correlated_features: Collapse correlated features

Description

Collapse correlated features

Usage

collapse_correlated_features(
  features,
  group_neg_corr = TRUE,
  corr_method = "spearman",
  corr_thresh = 1,
  progbar = NULL
)

Value

features where perfectly correlated ones are collapsed

Arguments

features

dataframe of features for machine learning

group_neg_corr

Whether to group negatively correlated features together (e.g. c(0,1) and c(1,0)).

corr_method

Correlation method. Options are the same as those supported by stats::cor: spearman, pearson, kendall. (default: spearman)

corr_thresh

group correlations above or equal to corr_thresh (range 0 to 1; default: 1).

progbar

optional progress bar (default: NULL)

Author

Zena Lapp,

Examples

if (FALSE) {
collapse_correlated_features(mikropml::otu_small[, 2:ncol(otu_small)])
}