Plotly:具有多个轴的分组条形图_Python开发问题-跟版网

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问题描述

当我在 Layout 中设置 barmode='group' 而 trace2 = Bar(...,yaxis='y2') 时，这会导致条形图被堆叠或覆盖，而不是对它们进行分组.如何在有多个轴的情况下对条形进行分组?

我浏览了这些但无济于事:

When I set barmode='group' in Layout while trace2 = Bar(...,yaxis='y2'), this leads bars to be stacked or overlayed instead of grouping them. How can I group the bars while having multiple axes?

I went over these but no avail:
- With single Y axis grouped bar chart is shown here.
- Multiple axes is also explained here and reference for y-axis is available here
解决方案
I hope the code below, based on zoo example, will be self-explanatory, however you have to set yaxis and offsetgroup parameters in go.Bar() object, and also yaxis2 parameter in layout parameter of go.Figure() object properly. The code is following:
```
import plotly.graph_objects as go
animals=['giraffes', 'orangutans', 'monkeys']

fig = go.Figure(
    data=[
        go.Bar(name='SF Zoo', x=animals, y=[200, 140, 210], yaxis='y', offsetgroup=1),
        go.Bar(name='LA Zoo', x=animals, y=[12, 18, 29], yaxis='y2', offsetgroup=2)
    ],
    layout={
        'yaxis': {'title': 'SF Zoo axis'},
        'yaxis2': {'title': 'LA Zoo axis', 'overlaying': 'y', 'side': 'right'}
    }
)

# Change the bar mode
fig.update_layout(barmode='group')
fig.show()
```
The result looks like this:

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Plotly:具有多个轴的分组条形图

问题描述

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