House-Cleaning: Getting rid of outliers II
In the previous post, we tried to clean rental offerings of outliers. We first just had a look at our data and tried to clean by simply using threshold derived from our own knowledge about flats with minor success. We got slightly better results by using the IQR rule and learned two things: First, the IQR rule works better if our data is normally distributed and, if it’s not, transforming it can work wonders. »