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2D Kernel Density Plot

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The 2D Kernel Density plot is a smoothed color density representation of the scatterplot, based on kernel density estimation, a nonparametric technique for probability density functions.

This graph shows the relationship between gasoline price and house for sale. A color map is used, so the area with deeper color indicates a higher frequency of both factors.

You may refer to the key steps of creating and customizing such plot:

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