Limit the range of x in seaborn distplot KDE estimation

Setting plt.xlim(0, 1) beforehand should help :

import matplotlib.pyplot as plt

plt.xlim(0, 1)
sns.distplot(arr, hist=False)

The correct way of doing this, is by using the clip keyword instead of range:

sns.distplot(arr, hist=False, kde_kws={'clip': (0.0, 1.0)})

which will produce: enter image description here

Indeed, if you only care about the kde and not the histogram, you can use the kdeplot function, which will produce the same result:

sns.kdeplot(arr, clip=(0.0, 1.0))

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