如何设置Scikit Learn Confusion Matrix绘制的图形大小？
import numpy as np
from sklearn.metrics import ConfusionMatrixDisplay, confusion_matrix
cm = confusion_matrix(np.arange(25), np.arange(25))
cmp = ConfusionMatrixDisplay(cm, display_labels=np.arange(25))
cmp.plot()
上面的代码显示了这个图，它太紧凑了：
您可以发送一个matplotlib.axes https://matplotlib.org/stable/api/axes_api.html反对.plot https://scikit-learn.org/stable/modules/generated/sklearn.metrics.ConfusionMatrixDisplay.html#sklearn.metrics.ConfusionMatrixDisplay.plot的方法sklearn.metrics.ConfusionMatrixDisplay https://scikit-learn.org/stable/modules/generated/sklearn.metrics.ConfusionMatrixDisplay.html。设置图形的大小matplotlib.pyplot.subplots https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.subplots.html first.
import numpy as np
from sklearn.metrics import ConfusionMatrixDisplay, confusion_matrix
import matplotlib.pyplot as plt
cm = confusion_matrix(np.arange(25), np.arange(25))
cmp = ConfusionMatrixDisplay(cm, display_labels=np.arange(25))
fig, ax = plt.subplots(figsize=(10,10))
cmp.plot(ax=ax)
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