pandas :条形图xtick频率 [英] Pandas: bar plot xtick frequency

问题描述

我想为pandas DataFrame对象创建一个简单的条形图.但是，图表上的xtick似乎过于细化，而如果将绘图更改为折线图，则xtick会进行优化以获得更好的查看效果.我想知道是否可以将相同的折线图xtick频率带至条形图?谢谢.

I want to create a simple bar chart for pandas DataFrame object. However, the xtick on the chart appears to be too granular, whereas if I change the plot to line chart, xtick is optimized for better viewing. I was wondering if I can bring the same line chart xtick frequency to bar chart? Thanks.

locks.plot(kind='bar',y='SUM')

编辑

结果图:

推荐答案

您可以通过每n个刻度设置一个来减少厚度的数量，例如:

You can reduce the number of thicks by setting one every n ticks, doing something like:

n = 10

ax = locks.plot(kind='bar', y='SUM')
ticks = ax.xaxis.get_ticklocs()
ticklabels = [l.get_text() for l in ax.xaxis.get_ticklabels()]
ax.xaxis.set_ticks(ticks[::n])
ax.xaxis.set_ticklabels(ticklabels[::n])

ax.figure.show()

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