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Paper-Picture-Writing-Code
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# 本样例源于论文 TAPEX: Table Pre-training via Learning a Neural SQL Executor
import numpy as np
import matplotlib.pyplot as plt
import seaborn as sns
# 用于绘制注意力图的矩阵, 实际使用时也可以考虑从文件中读入
data_matrix = np.mat(
[[27.5, 28.3, 32.5, 40.8, 42.5],
[40.0, 42.6, 53.1, 58.8, 60.2],
[34.4, 38.2, 56.2, 57.3, 56.9],
[57.4, 63.9, 70.2, 70.2, 71.7]]
)
# 如果没有latex环境,可以将以下行注释
plt.rc('text', usetex=True)
plt.rc('text.latex', preamble=r'\usepackage{lmodern}')
# 设置字体大小
plt.rc('font', **{'size': 14})
# 在seaborn中设定图片的宽和高
sns.set(rc={'figure.figsize': (6, 4.5)})
fig = sns.heatmap(data_matrix,
linewidth=0.5,
# 将具体的数字写在对应的表格中,%.1f 指定了样式,在较复杂的样式中可以去掉
annot=np.array(['%.1f' % point for point in np.array(data_matrix.ravel())[0]]).reshape(np.shape(data_matrix)),
# 这里必须置空,否则会出现问题
fmt='',
yticklabels=["Extra Hard", "Hard", "Medium", "Easy"],
# 如果 usetext=True, 这里可以使用 latex 语法比如 $\leq$ = <
xticklabels=["BART", "$\leq$ Easy", "$\leq$ Medium", "$\leq$ Hard", "$\leq$ Extra Hard"],
# cmap 决定了注意力图的色调
cmap="YlGnBu",
vmax=75.0,
vmin=25.0)
plt.ylabel("Question Difficulty Level in Downstream", labelpad=25)
plt.xlabel("SQL Difficulty Level in Pre-training", labelpad=25)
# 调整布局至合适的位置
plt.tight_layout()
# 保存文件
plt.savefig('attention.pdf')
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