Python 可视化 柱形图 折线图
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
def bar():
df=pd.DataFrame({'HEIGHT':[175,165,162,158,180],'AGE':[23,30,27,21,35],'SCORE':[80,100,70,85,65]},
columns=['HEIGHT','AGE','SCORE'],
index=['jack','leo','james','Lily','David'])
df_plot=df.plot(kind='bar',rot=-45)
df_plot.legend(df.columns,loc=2)
df_plot.set_yticks([x for x in range(1,180,10)])
df_plot.set_ylabel('Longdian')
plt.savefig('test.jpg')
plt.show()
def weather():
df=pd.DataFrame({'2018-8':[30,29,34,23,45,12,23,34,36,37,38,39,30,23,25,27,28,33,34,36,21,24,26,46,30,36,56,23,35,32]})
ax=df.plot(kind='line',marker='v',rot=-45,ylim=[10,60])
date_range=pd.date_range('8/1/2018','8/31/2018',freq='d')
ax.set_xticks(date_range.day)
plt.savefig('test.jpg')
plt.show()
if __name__=='__main__':
bar()
import numpy as np
import matplotlib.pyplot as plt
def bar():
df=pd.DataFrame({'HEIGHT':[175,165,162,158,180],'AGE':[23,30,27,21,35],'SCORE':[80,100,70,85,65]},
columns=['HEIGHT','AGE','SCORE'],
index=['jack','leo','james','Lily','David'])
df_plot=df.plot(kind='bar',rot=-45)
df_plot.legend(df.columns,loc=2)
df_plot.set_yticks([x for x in range(1,180,10)])
df_plot.set_ylabel('Longdian')
plt.savefig('test.jpg')
plt.show()
def weather():
df=pd.DataFrame({'2018-8':[30,29,34,23,45,12,23,34,36,37,38,39,30,23,25,27,28,33,34,36,21,24,26,46,30,36,56,23,35,32]})
ax=df.plot(kind='line',marker='v',rot=-45,ylim=[10,60])
date_range=pd.date_range('8/1/2018','8/31/2018',freq='d')
ax.set_xticks(date_range.day)
plt.savefig('test.jpg')
plt.show()
if __name__=='__main__':
bar()