xdc_git_python_20210511/tutorials-master/numpy&pandas/18_plot.py

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"""
Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
"""
from __future__ import print_function
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt

# plot data

# Series
data = pd.Series(np.random.randn(1000), index=np.arange(1000))
data = data.cumsum()
##data.plot()

# DataFrame
data = pd.DataFrame(np.random.randn(1000, 4), index=np.arange(1000), columns=list("ABCD"))
data = data.cumsum()
# plot methods:
# 'bar', 'hist', 'box', 'kde', 'area', scatter', hexbin', 'pie'
ax = data.plot.scatter(x='A', y='B', color='DarkBlue', label="Class 1")
data.plot.scatter(x='A', y='C', color='LightGreen', label='Class 2', ax=ax)

plt.show()