Normalize a time series

Standardizes a numeric vector to zero mean and unit standard deviation (z-score normalization), ignoring missing values.

Usage

normalize(x)

Arguments

x

A numeric vector or time series.

Value

A numeric vector of the same length as x, with mean 0 and standard deviation 1.

Examples

normalize(c(1, 2, 3, 4, 5))
#> [1] -1.2649111 -0.6324555  0.0000000  0.6324555  1.2649111