normDataWithin: Normalize within-group data

In Rmisc: Ryan Miscellaneous

Normalize within-group data

Description

Norms the data within specified groups in a data frame; it normalizes each subject (identified by idvar) so that they have the same mean, within each group specified by betweenvars.

Usage

  normDataWithin(data = NULL, idvar, measurevar,
    betweenvars = NULL, na.rm = FALSE, .drop = TRUE)

Arguments

data	a data frame.
idvar	the name of a column that identifies each subject (or matched subjects)
measurevar	the name of a column that contains the variable to be summariezed
betweenvars	a vector containing names of columns that are between-subjects variables
na.rm	a boolean that indicates whether to ignore NA's
.drop	should combinations of variables that do not appear in the input data be preserved (FALSE) or dropped (TRUE, default)

Value

a data frame with normalized data

References

http://www.cookbook-r.com/Graphs/Plotting_means_and_error_bars_(ggplot2)

Rmisc documentation built on May 2, 2022, 5:05 p.m.