Legend gives a lot of meaning to a visualization, offers explanation for the various plot elements. %matplotlib inline i

K-Nearest Neighbors (short as KNN) is a neighbor-based learning method that can be used for interpolation, in this case

Thiessen polygon, also called Voronoi diagram, is a partition of a plane into regions close to each of a given set of ob

GeoPandas offers several datasets in GeoDataFrame format, which could be good examples for working with spatial vector d

One of the common GIS task is to find the nearest neighbor by given several candidates, in real life a typical question

Sharpe RatioIt is virtually impossible to increase return without also increasing risk, therefore it shall exist a trade

Capital Asset Pricing Model (CAPM)CAPM is one of the most commonly used formula in finance, which describes the relation