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python中用matplotlib绘制并列柱状图（包括更改字体，绘制直线等）
import numpy as np
import matplotlib.pyplot as plt
import matplotlib as mplmpl.rcParams["font.sans-serif"] = ["SimHei"]
mpl.rcParams["axes.unicode_minus"] = Falseplt.figure(figsize=(10, 5), dpi=80)
index = np.arange(10)
num_noGA = [200, 200, 172, 200, 200, 201, 229, 199, 185, 214]
num_GA = [200, 200, 200, 200, 200, 200, 200, 200, 196, 204]bar_width = 0.35
tick_label = ['NOR', 'CYC', 'IT', 'DT', 'US', 'DS', 'CIT', 'CDS', 'ITDS', 'CITDS']plt.bar(index, num_noGA, bar_width, align="center", color="c", label="FFR-CNN&LSTM", alpha=0.5)
plt.bar(index+bar_width, num_GA, bar_width, color="b", align="center", label="FFR-CNN&LSTM-GA", alpha=0.5)
plt.hlines(200, -1, 10,color="red")font_legend = {'family': 'Times New Roman',
'weight': 'normal',
'size': 10,
}font_label = {'family': 'Times New Roman',
'weight': 'normal',
'size': 15,
}plt.ylabel("Number", font_label)
plt.xlabel("Types", font_label)plt.xticks(index+bar_width/2, tick_label)
plt.xlim(-0.7, 10)
plt.ylim(0, 300)plt.legend(prop=font_legend)plt.tick_params(labelsize=13)
plt.savefig('GA.jpg')
plt.show()
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