Hands-on guide to plotting a Decision Surface for ML in Python

Matplotlib provides a handy function called contour(), which can insert the colors between points. However, as the documentation suggested, we need to define the grid of points Xof yin the feature space. The beginning point would be to find the maximum value and minimum value of each feature then increase by one to make sure that the whole space is covered.

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Let’s talk about Open Data…

According to the International Open Data Charter, it defines open data as those digital data that are made available with the technical and legal characteristics necessary so that they can be freely used, reused and redistributed by anyone, at anytime and anywhere. But what are the bases that are governed to comply with the definition of open data, the International Open Data Charter gives us the principles.

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