AttributeError: ‘Rectangle‘ object has no property ‘normed‘ 解决方法 matplotlib绘图

matplotlib数据可视化，绘制直方图时报错如下：

代码语言：javascript复制

D:pythonAnaconda3python.exe D:/python/pycharm2020/my_program/program/matplotlib/直方图/demo1.py
Traceback (most recent call last):
  File "D:/python/pycharm2020/my_program/program/matplotlib/直方图/demo1.py", line 25, in <module>
    plt.hist(data, bins=40, normed=0, facecolor="blue", edgecolor="black", alpha=0.7)
  File "D:pythonAnaconda3libsite-packagesmatplotlibpyplot.py", line 2605, in hist
    return gca().hist(
  File "D:pythonAnaconda3libsite-packagesmatplotlib__init__.py", line 1565, in inner
    return func(ax, *map(sanitize_sequence, args), **kwargs)
  File "D:pythonAnaconda3libsite-packagesmatplotlibaxes_axes.py", line 6819, in hist
    p.update(kwargs)
  File "D:pythonAnaconda3libsite-packagesmatplotlibartist.py", line 1006, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "D:pythonAnaconda3libsite-packagesmatplotlibartist.py", line 1006, in <listcomp>
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "D:pythonAnaconda3libsite-packagesmatplotlibartist.py", line 1001, in _update_property
    raise AttributeError('{!r} object has no property {!r}'
AttributeError: 'Rectangle' object has no property 'normed'

原因：matplotlib版本问题，最新版本已经没有这个属性了。normed参数替换成 density 即可。

density=True：表示的是频率直方图

density=False：表示的是频数直方图

python matlab numpy

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