import numpy as np

import pandas as pd

from scipy import stats, integrate

import matplotlib.pyplot as plt

import seaborn as sns

sns.set(color_codes=True)

np.random.seed(sum(map(ord, 'distributions')))

tips = sns.load_dataset('tips')

print(tips.head())

# regplot() 和 lmplot() 画出拟合曲线

sns.regplot(x='total_bill', y='tip', data=tips)

plt.show()

sns.regplot(x='size', y='tip', data=tips, x_jitter=0.1)

plt.show()