# S4 method for DPT,index,index,logicalOrMissing
[(x, i, j, ..., drop = TRUE)# S4 method for DPT,index,missing,logicalOrMissing
[(x, i, j, ..., drop = TRUE)
# S4 method for DPT,missing,index,logicalOrMissing
[(x, i, j, ..., drop = TRUE)
# S4 method for DPT,missing,missing,logicalOrMissing
[(x, i, j, ..., drop = TRUE)
# S4 method for DPT
nrow(x)
# S4 method for DPT
ncol(x)
# S4 method for DPT
dim(x)
as.matrix.DPT