tapplyDS called by ds.tapply

Apply one of a selected range of functions to summarize an outcome variable over one or more indexing factors and write the resultant summary to the clientside

tapplyDS(X.name, INDEX.names.transmit, FUN.name)

Arguments

X.name,

the name of the variable to be summarized. Specified via argument <X.name> of ds.tapply function

INDEX.names.transmit,

the name of a single factor or a vector of names of factors to index the variable to be summarized. Specified via argument <INDEX.names> of ds.tapply function

FUN.name,

the name of one of the allowable summarizing functions to be applied. Specified via argument <FUN.name> of ds.tapply function.

Value

an array of the summarized values created by the tapplyDS function. This array is returned to the clientside. It has the same number of dimensions as INDEX.

Details

see details for ds.tapply function

Author

Paul Burton, Demetris Avraam for DataSHIELD Development Team