我有以下要绘制的数据。
month year total_sales
May 2020 7
June 2020 2
July 2020 1
August 2020 2
September 2020 22
October 2020 11
November 2020 6
December 2020 3
January 2019 3
feburary 2019 11
March 2019 65
April 2019 22
May 2019 33
June 2019 88
July 2019 44
August 2019 12
September 2019 32
October 2019 54
November 2019 76
December 2019 23
January 2018 12
feburary 2018 32
March 2018 234
April 2018 2432
May 2018 432
这是我用来执行此操作的代码:
def plot_timeline_data(df):
fig, ax = plt.subplots()
ax.set_xticklabels(df['month'].unique(), rotation=90)
for name, group in df.groupby('year'):
ax.plot(group['month'], group['total_sales'], label=name,linestyle='--', marker='o')
ax.legend()
plt.tight_layout()
plt.show()
我希望 x 标签的顺序从 1 月到 12 月开始,但我的图表从 5 月到 12 月开始,然后从 1 月到 4 月恢复,如图所示(图表的确切值因我更改值而不同)。我怎样才能把它按正确的顺序排列?
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