Transforming variables

In the previous movie I showed you how to deal with deviations from normality.…Specifically without liars.…Mostly by deleting them.…On the other hand, sometimes you just can't afford…to get rid of your data and you want to…find other ways of keeping the data but bringing it…in to a shape that works better for your analyses.…This movie is going to show you several different…ways of transforming variables, so you don't lose any cases.…But the data is changed in such a way, that it fits…in better with the assumptions of…the analysis that you're going to be performing.…

We're going to start by loading one of the built in data sets.…If you don't have the data sets package loaded already, you can do this.…And we're going to use the one about islands.…This is the areas in thousands of square miles…of the land masses which exceed 10,000 square miles.…And so, we have the areas of the world's major land masses.…If you…want to see what they are, by the way, here they all are.…Iceland is in there.…There's Africa and Antarctica and Asia. Down to Victoria.…