[英]Month,Year with Value Plot,Pandas and MatPlotLib
i have DataFrame with Month,Year and Value and i want to do a TimeSeries Plot. 我有带月,年和值的数据框,我想做一个时间序列图。
Sample: 样品:
month year Value
12 2016 0.006437804129357764
1 2017 0.013850880792606646
2 2017 0.013330349031207292
3 2017 0.07663058273768052
4 2017 0.7822831457266424
5 2017 0.8089573099244689
6 2017 1.1634845000200715
im trying to plot this Value data with Year and Month, Year and Month in X-Axis and Value in Y-Axis. 我试图用年和月,年和月在X轴上,值在Y轴上绘制此Value数据。
You need to set a DateTime
index for pandas to properly plot the axis. 您需要为熊猫设置
DateTime
索引才能正确绘制轴。 A one line modification for your dataframe (assuming you don't need year
and month
anymore as columns and that first day of each month is correct) would do: 对数据框进行一行修改(假设您不再需要
year
和month
作为列,并且month
第一天都是正确的),则可以执行以下操作:
df.set_index(pd.to_datetime({
'day': 1,
'month': df.pop('month'),
'year': df.pop('year')
}), inplace=True)
df.Value.plot()
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