返回值:arange : ndarray//Array of evenly spaced values. //数组 例: >>>np.arange(3)array([0,1,2])>>>np.arange(3.0)array([0.,1.,2.])>>>np.arange(3,7)array([3,4,5,6])>>>np.arange(3,7,2)array([3,5]) 二. matplotlib.axes.Axes.annotate ...
Python code for grouped bar chartimport matplotlib.pyplot as plt import numpy as np labels = ['Tom', 'Dick', 'Harry', 'Sally', 'Sue'] math_means = [20, 34, 30, 35, 27] science_means = [25, 32, 34, 20, 25] x = np.arange(len(labels)) # the label locations width = ...
While the general rule was to keep all bars the same color for a standard bar chart, color choices become a vital part of the grouped bar chart in order to distinguish levels of the secondary categorical variable. The important choice to make here is to choose a color palette that matches...