Question

我有这个名为'dfArrivalDate'的数据框（显示前11行）

arrival_date  count
0    2013-06-08      9
1    2013-06-27      8
2    2013-03-06      8
3    2013-06-01      8
4    2013-06-28      6
5    2012-11-28      6
6    2013-06-11      5
7    2013-06-29      5
8    2013-06-09      4
9    2013-06-03      3
10   2013-05-31      3

sortedArrivalDate = transform.sort('arrival_date')

我想在条形图中绘制它们以查看到达日期的计数。我打电话了

sortedArrivalDate.plot(kind = 'bar') [![enter image description here][1]]

但是我将索引作为条形图的行标记。我想我需要使用'xticks'。

sortedArrivalDate.plot(kind = 'bar', xticks = sortedArrivalDate.arrival_date)

但是我遇到了错误：TypeError：无法将类型'Timestamp'与'float'类型进行比较

我尝试了不同的方法。

fig, ax = plt.subplots()
ax.plot(sortedArrivalDate.arrival_date, sortedArrivalDate.count)

这次错误是ValueError：x和y必须具有相同的第一维

我认为这可能只是一个简单的修复，因为我没有太多编写pandas和matplotlib的经验，我可能会在这里错过一个非常简单的事情。关心引导我朝正确的方向发展？感谢。

Answer 1

IIUC：

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使用pandas系列日期作为xtick标签

1 个答案: