Lets see if the working directory has changed to this Coursera folder. so one of the things you're going to have to do a lot of in this class, is to write R code. in order to write R code, you need to be able to use, use a text editor. luckily, R comes with a rudimentary text editor, which will be definitely sufficient for this course. so you can load up the text editor by going to File and say New 