Removing and renaming fields

- [Instructor] Often, to make it easier…to do our analysis, we want to rename the fields…to make them something more meaningful.…Luckily we don't have to stick with the default values…that come across from our data set.…You can rename any of the fields in Prep,…and these will persist to the rest of the analysis.…Now common use case for this is where you've used…an automatic split.…So for example, we have our customer ID here…that consists of two parts.…Now if I use the automatic split,…we're going to get two new columns.…Now by default, it calls them Customer ID Split One,…Customer ID Split Two.…

That doesn't really mean anything to anybody.…In actual fact, I know from this customer ID…that the first part are the customer initials.…So I'm going to rename that.…So to do that, I can either click on the drop down…and click on rename field,…and I can change to Customer Initials.…And it has now renamed that field,…and if we look at the bottom, in the data grid,…we can now see it's called Customer Initials.…Now the second half of that split, the customer ID,…