Hap*_*ner 9 python plotly plotly-express
在使用 创建的散点图中px.scatter,如何用红星标记一个数据点?
fig = px.scatter(df, x="sepal_width", y="sepal_length")
# Now set a single data point to color="red", symbol="star".
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这并不是真正突出显示您已经生成的跟踪中已经存在的数据点,而是添加另一个具有不同视觉外观的数据点。但它正是您正在寻找的:
fig.add_trace(go.Scatter(x=[3.5], y=[6.5], mode = 'markers',
marker_symbol = 'star',
marker_size = 15))
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import plotly.express as px
import pandas as pd
import plotly.graph_objects as go
df = px.data.iris() # iris is a pandas DataFrame
fig = px.scatter(df, x="sepal_width", y="sepal_length")
fig.add_trace(go.Scatter(x=[3.5], y=[6.5], mode = 'markers',
marker_symbol = 'star',
marker_size = 15))
fig.show()
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