Data Science is getting very popular and many people are trying to jump into the bandwagon, and this is GREAT. But many assume that data science, machine learning, plug any other buzzword here, is to plug data to some Sckit-Learn libraries. Here is what the actual job is.

To bring you into context, the following is happening after the data was collected. Don’t get me wrong, I don’t think it should be considered a simple step, but I would like to focus on data pre-processing and normalization.

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