tinyplot with numeric col index does not work

[zeileis]

Prompted by #324 I noticed that passing numeric color indexes to tinyplot(..., col = ...) does not work, e.g.,

tinyplot(bill_depth_mm ~ bill_length_mm, data = penguins, col = 4)
tinyplot(bill_depth_mm ~ bill_length_mm | sex, data = penguins, col = 3:4)

whereas using character colors does work as expected:

tinyplot(bill_depth_mm ~ bill_length_mm, data = penguins, col = "blue")
tinyplot(bill_depth_mm ~ bill_length_mm | sex, data = penguins, col = c("green", "blue"))

[grantmcdermott]

Thanks, I'm still slammed at work. But will try to push a simple fix this evening.

[zeileis]

Thanks! It's nothing urgent, though, I just thought I'll document it. And I didn't have any time to investigate it myself due to the semester start next week...