So lets say one has a data.table with the following columns first.name, last.name, height, weight, shoe.size, eye.color, hair.length, appendage.size, ear.length
If one wanted to just include weight through hair.length one would have to go something such as this dt[,list(weight, shoe.size, eye.color, hair.length)] Is there a way to do something along the lines of dt[,list(weight...hair.length)] If so, can you direct me to the documentation? If not can you build it? Is it difficult? Some data.tables have many columns. Thanking you in anticipation. Farrel
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