python/pandas/x, y\350\273\270\343\201\2141:1\343\201\256\346\225\243\345\270\203\345\233\263\343\202\222\344\275\234\346\210\220\343\201\231\343\202\213.md
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+[python - How do I make a matplotlib scatter plot square? - Stack Overflow](https://stackoverflow.com/questions/28122013/how-do-i-make-a-matplotlib-scatter-plot-square)
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+
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+```python
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+import matplotlib
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+matplotlib.use('Agg')
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+import matplotlib.pyplot as plt
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+plt.rcParams['backend'] = 'TkAgg'
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+x = [0, 0.2, 0.4, 0.6, 0.8]
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+y = [0, 0.5, 1, 1.5, 2.0]
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+colors = ['k']*len(x)
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+plt.scatter(x, y, c=colors, alpha=0.5)
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+plt.axes().set_aspect('equal', adjustable='datalim')
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+plt.xlim((0,2))
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+plt.ylim((0,2))
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+plt.grid(b=True, which='major', color='k', linestyle='--')
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+plt.savefig('{}.png'.format(rsID), dpi=600)
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+plt.close()
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+plt.clf()
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+```
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