Re: [R] data.table: reference column in "i"-part by column name in string object

On 21.02.19 20:43, Rui Barradas wrote: Hello, I don't understand the question. Like this? xx <- "B" yy <- "D" a[xx, on = v] a[c(xx, yy), on = v] Note that .(xx, yy) doesn't work. It outputs something else. Could you give an example of more complicated expressions you have doubts with? Let'

Re: [R] data.table: reference column in "i"-part by column name in string object

Hello, I don't understand the question. Like this? xx <- "B" yy <- "D" a[xx, on = v] a[c(xx, yy), on = v] Note that .(xx, yy) doesn't work. It outputs something else. Could you give an example of more complicated expressions you have doubts with? Hope this helps, Rui Barradas Às 14:10 de