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 4.1-8 Index]