I am trying to create an array of tkwidgets in R, as in the following example:
require(tcltk) tt <- tktoplevel() cbs <- c() for(i in 1:40) cbs[i] <- tkcheckbutton(tt)
This only stores the $ID part returned by tkcheckbutton. How would I go about doing correctly?
Use cbs[[i]] <- tkcheckbutton(tt).
I'd also recommend using cbs <- list() instead of cbs <- c() because I find it represents your intentions more clearly, but both work.
Duncan Murdoch
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