Hi all, I’ve seen a few topics on this forum and on Github asking how to create a stacked + grouped chart. This may eventually be officially supported by Plotly but in the meantime we can use a workaround with: Overlayed secondary y-axis Bar offsets Here is a minimum reproducible example of my s…

Very nice trick/workaround. I’ve gotten this question a couple of times. Thanks for sharing this, @RenaudLN .

Hi @RenaudLN ! thank you for this trick. I’m new to python and I was wondering if there’s a way to have discrete values on the index, like ‘California’, ‘Texas’, etc ? I tried this but it gets stacked all together on the same bar, instead of getting different stacked bars.

Exactly the same idea, the only thing you have to change is the width and offset. For categorical values, the step is 1 so we want something around 1/3 of that import numpy as np import pandas as pd import plotly.graph_objects as go # Create dummy data indexed by month and with multi-columns [pro…

Wow! I can’t thank you enough! Thank you thank you so much! @RenaudLN

Can this be done with multiple sub-plots as well ?

I don’t see why not. However managing all the different y axes might become cumbersome.

Is there an easy way to say match my secondary_y axis to the primary of that sub plot ? v/s match yaxis5 to y, yaxis6 to y2 and so on , assuming 4 subplots here .

There isn’t any builtin way to do this no, you’d have to manage it “manually”. You may be able to reduce the lines of code via a good dict comprehension but still needs to be handled manually.

@RenaudLN Is it possible to add error bars to the stacked columns?

Grouped + Stacked Bar chart

📊 Plotly Python

windrose May 17, 2023, 5:46pm 12

Perhaps this grouped and stacked bar chart with error bars is useful for someone too, see Control distance between stacked bars? - #3 by windrose

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Grouped + Stacked Bar chart

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