Statistics, Probability, Exploratory Data Analysis, Mathematics, Graph.
ax.set_xticks(range(-2,10)) fig.show() This can be understand that, the height (1/2h) will be high in darker region. Indicating there are more scattered points. The height will decrease at lower shades. Thus, from the scatter plot, it is clear that (3,52) are more frequently occuring from (x1,x2)