This function is originally from the panelaggregation package.
It has been ported here in order to bypass the package being
kicked off CRAN.
computeWeightedMeans(data_table, variables, weight, by)
Arguments
- data_table
a data.table
- variables
character name of the variable(s) to focus on. The variables must be in the data.table
- weight
character name of the data.table column that contains a weight.
- by
character vector of the columns to group by
Author
Matthias Bannert, Gabriel Bucur