defDataAdd: Add single row to definitions table that will be used to add data to an
existing data.table
Description
Add single row to definitions table that will be used to add data to an
existing data.table
Usage
defDataAdd(dtDefs = NULL, varname, formula, variance = 0, dist = "normal", link = "identity")
Arguments
dtDefs
Definition data.table to be modified
varname
Name (string) of new variable
formula
An R expression for mean (string)
dist
Distribution. For possibilities, see details
link
The link function for the mean, see details
Value
A data.table named dtName that is an updated data defnitions table