Rdocumentation
powered by
Learn R Programming
popgraph (version 1.4)
centroid_variance: This function takes a data set and a group set and returns centroid variances
Description
This is a convience function for a reduce and distance operation based upon multivariate predictor variables.
Usage
centroid_variance(x, grouping)
Arguments
x
The NxP matrix of raw data.
grouping
The Nx1 vector of grouping factors.
Value
The sum of the within stratum variance for each group