poolSDTransform: pooled standard deviation transform

In superb: Summary Plots with Adjusted Error Bars

pooled standard deviation transform

Description

poolSDTransform is a transformations that can be applied to a matrix of data. The resulting matrix has the column- standard deviations equal to the pool standard deviations of the individual columns, the solution adopted by \insertCitelm94superb.

Usage

poolSDTransform(dta, variables)

Arguments

dta	a data.frame containing the data in wide format;
variables	a vector of column names on which the transformation will be applied. the remaining columns will be left unchanged

Value

a data.frame of the same form as dta with the variables transformed.

This function is useful when passed to the argument preprocessfct of superbPlot() where it performs a modification of the data matrix.

References

\insertAllCited

superb documentation built on Jan. 23, 2023, 5:44 p.m.