import plotly.graph_objects as go
def bar_chart_with_error_bars():
# Trace C
trace_c = go.Bar(
x=["Trial 1", "Trial 2", "Trial 3"],
y=[3, 6, 4],
name="Trace C",
error_y=dict(
type="data",
array=[1, 0.5, 1.5]
)
)
# Trace E (secondary y-axis)
trace_e = go.Bar(
x=["Trial 1", "Trial 2", "Trial 3"],
y=[400, 700, 300],
name="Trace E",
yaxis="y2",
error_y=dict(
type="data",
array=[50, 100, 200]
)
)
# Layout
layout = go.Layout(
barmode="group",
yaxis=dict(title="Trace C"),
yaxis2=dict(
title="Trace E",
overlaying="y",
side="right"
)
)
# Create figure
fig = go.Figure(data=[trace_c, trace_e], layout=layout)
# Save to HTML
fig.write_html("/tmp/trials.html")
# Call the function
bar_chart_with_error_bars()
Resulting chart. Stack instead of group.

rust version is also broken, but in different way - overlay instead of group: plotly/plotly.rs#391
Resulting chart. Stack instead of group.

rust version is also broken, but in different way - overlay instead of group: plotly/plotly.rs#391