How do I use arguments of a function when using sapply?

Question

I have a dataset which I created by column binding using the cbindX function from the gdata package. This function allows me to bind columns with diffe

Answer 1

Try this.

sapply(allcolscomb,sd, na.rm = TRUE)

in the apply family functions the syntax is (data, fun, ...). The three dots are "ellipsis", they are there to host the arguments of the function passed to the apply's function.

Answer 2

You should read ?sapply manual. Below example of sapply with some extra arguments:

sapply(allcolscomb, sd, na.rm=TRUE)
sapply(allcolscomb, function(x) sd(x, na.rm=TRUE))