center: Center

Description Usage Arguments Details Value

Description

Center a matrix

Usage

1
  center(x)

Arguments

x

matrix

Details

This function is used primarily to center a time series of asset returns or factors. Each column should represent the returns of an asset or factor realizations. The expected value is taken as the sample mean.

x.centered = x - mean(x)

Value

matrix of centered data


R-Finance/PortfolioAnalytics documentation built on May 8, 2019, 4:46 a.m.