R: Helper function to compute weighted mean and standard...

weighted_mean_sd {glmnet} | R Documentation

## Helper function to compute weighted mean and standard deviation

### Description

Helper function to compute weighted mean and standard deviation. Deals gracefully whether x is sparse matrix or not.

### Usage

    weighted_mean_sd(x, weights = rep(1, nrow(x)))

### Arguments

`x` | Observation matrix.
`weights` | Optional weight vector.

### Value

A list with components.

`mean` | vector of weighted means of columns of x
`sd` | vector of weighted standard deviations of columns of x

[Package glmnet version 4.1-2 Index]