Stack a dataset
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.
mystack(object, fu.vars, create.idvar = FALSE)
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 |
A stacked dataframe
Grant Izmirlian <izmirlian@nih.gov>
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