For anyone who wants to be a machine learning engineer (or learner), the following truth is self-evident: you spend most of your time on data preprocessing. After all, coding the architecture is simple after few practices, and thanks to the modern library like Pytorch and Keras, you can easily code a sophisticated architecture without too much effort. However, to preprocess those images or csv documents to the data format you want to use is always a pain. This article provides a simple way to preprocess a csv document to fit your need.

Preprocessing before…Preprocessing

First thing first, how to load a csv document? One way is to use pandas. For example, the following code loads a csv document from a specific path you provided:

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