To append data frames in R, use the rbind() function. The rbind() is a built-in R function that can combine several vectors, matrices, and/or data frames by rows.   When it comes to appending data frames, the rbind() and cbind() function comes to mind because they can concatenate the data frames horizontally and vertically. In this example, we will see how to use the rbind() function to append data frames. ... View more