Update setDT with as.data.table link + minor changes.
Update setDT with as.data.table link + minor changes.

Rdatatable/data.table,vlulla/data.table,jangorecki/data.table,Rdatatable/data.table,jangorecki/data.table,vlulla/data.table,vlulla/data.table,Rdatatable/data.table,vlulla/data.table,jangorecki/data.table,jangorecki/data.table,Rdatatable/data.table