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Ch14-mystack

Stack a dataset


Description

Given a dataframe containing one or more variables named with a common prefix, this function creates a stacked dataset with one set of observed values of the variables (in order of occurence) per line.

Usage

mystack(object, fu.vars, create.idvar = FALSE)

Arguments

object

a dataframe containing one or more variables named with a common prefix

fu.vars

a list of the unique prefixes

create.idvar

Do you want to add an ID variable with a common value given to all records resulting from a given input record? Default is FALSE

Value

A stacked dataframe

Author(s)

Grant Izmirlian <izmirlian@nih.gov>

Examples

## none as yet

PwrGSD

Power in a Group Sequential Design

v2.3.3
GPL (>= 2)
Authors
Grant Izmirlian <izmirlig@mail.nih.gov>
Initial release

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