Tim*_*imo 6 python plotly plotly.graph-objects
这是我的代码
import pandas as pd
import plotly.graph_objects as go
df = pd.DataFrame({
"City": ["Toronto", "Toronto", "Toronto", "CPH", "CPH", "London", "London"],
"Tower name": ["T1", "T2", "T3", "T4", "T5", "T6","T7"],
"Height": [1.0, 1.5, 2.0, 3.0, 4.0, 2.0 ,5.0],
})
fig = go.Figure(go.Bar(x=df.loc[:,["City", "Tower name"]].T.values, y=df["Height"].values))
fig.show()
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该代码给出以下输出:

期望的输出如下图所示:

为了隐藏内部类别,我尝试在数据中创建一个空列,如下所示,但这不起作用
df['empty'] = ""
fig = go.Figure(go.Bar(x=df.loc[:,["City", "Tower name"]].T.values, y=df["Height"].values))
fig.update_xaxes(ticktext = df['empty'])
fig.show()
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为了旋转刻度线,我使用了tickangle,但这只会旋转内部类别。城市名称保持不变
fig = go.Figure(go.Bar(x=df.loc[:,["City", "Tower name"]].T.values, y=df["Height"].values))
fig.update_xaxes(tickangle = -90)
fig.show()
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这是该线程的后续问题:删除分组绘图表达条形图中的空条,以使每组条形之间的视觉距离相等
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