If you want a histogram, you don't need to attach any 'names' to x-values, as on x-axis you would have data bins: import matplotlib.pyplot ... ... <看更多>

Earlier, we saw a preview of Matplotlib's histogram function (see Comparisons, ... plt.hist(data, bins=30, normed=True, alpha=0.5, histtype='stepfilled', ... ... <看更多>

#!/usr/bin/env python. import sys, traceback, scipy, numpy. from matplotlib import pyplot. from scipy.stats.mstats import mquantiles. ... <看更多>

import matplotlib.pyplot as plt import numpy as np # fix the random state for reproducibility np.random.seed(19680801); # sum of 2 normal distributions n ... ... <看更多>