Data Transformations

A number of reasons can be attributed to when a predictive model crumples such as: Inadequate data pre-processing Inadequate model validation Unjustified extrapolation Over-fitting (Kuhn, 2013) Before we dive into data preprocessing, let me quickly define a few terms that I will be commonly using. Predictor/Independent/Attributes/Descriptors – are the different terms that are used as…