R View() does not display all columns of data frame

Question

I have been adding columns to a data frame and using View() to check that it did what I expected. I have repeated lines of code along the lines of:

Answer 1

I'm not sure if this has been mentioned before but I found this interesting post from 2012: https://support.rstudio.com/hc/en-us/community/posts/200669267-view-more-than-first-100-columns-.

This indexing allows you to at least check the other columns and if they even exist.

So just use: datafile[row-row, column-column].