matplotlib.pyplot.hist — Matplotlib 3.5.0 documentation
(or you may alternatively use bar()).. cumulative bool or -1, default: False. If True, then a histogram is computed where each bin gives the counts in that bin plus all bins for smaller values.The last bin gives the total number of datapoints. If density is also True then the histogram is normalized such that the last bin equals 1.. If cumulative is a number less than 0 (e.g., -1), the ...