我正在使用pandas和matplotlib来可视化这个数据帧
HDD EnergyPerSquareMeter Year
0 3333.6 23.11 1997
1 3349.6 24.30 1998
2 3319.5 24.78 1999
3 3059.1 22.01 2000
4 3287.5 24.17 2001
5 3054.9 20.01 2002
6 3330.0 21.25 2003
7 3307.3 19.22 2004
8 3401.4 18.31 2005
9 3261.6 20.40 2006
10 3212.8 15.34 2008
11 3231.2 15.95 2009
12 3570.1 15.79 2010
13 2995.3 13.88 2011
我想将EnergyPerSquareMeter绘制为散点图(x轴= HDD)并用年份注释点.
我这样做了:
ax =EnergyvsHDD.plot(x='HDD', y='EnergyPerSquareMeter', marker="o" , linestyle='None', figsize=(12,8))
for i, txt in enumerate(EnergyvsHDD['Year']):
ax.annotate(txt, (x[i],y[i]), size=10, xytext=(0,0), ha='right', …