DiscriMiner (version 0.1-22)

groupStds: Group Standard Deviations

Description

Calculates the standard deviations for each group

Usage

groupStds(variables, group, na.rm = FALSE)

Arguments

variables

matrix or data frame with explanatory variables (may contain missing values)

group

vector or factor with group memberships

na.rm

logical indicating whether missing values should be removed

Value

• matrix of group standard deviations (with variables in the rows, and groups in the columns)

See Also

groupMeans, groupVars, groupMedians, groupQuants

Examples

# dataset iris
  data(iris)

  # group standard deviations
  groupStds(iris[,1:4], iris[,5])