WS: Compute weighted sums
In DanielBonnery/CompositeRegressionEstimation: X

Compute weighted sums

1	WS(list.tables, weight = 1, list.y = NULL, sep = "_n", dimname1 = "m")

`list.tables`	A list of dataframes
`weight`	either a real number of a character string indicating the name of the weight variable.
`list.y:`	list of variables whose weighted sum needs to be computed. It can be factor or character variables.

a dataframe.

1 2	WS(plyr::dlply(CRE_data,.variables=~time),"Sampling.weight",c("Hobby","Status","State")); WS(plyr::dlply(CRE_data,.variables=~time),"Sampling.weight",character(0));