Grouped bar graph with scatter plot

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CR 2020-6-18

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/550824-grouped-bar-graph-with-scatter-plot

编辑： Adam Danz 2020-6-23

This code is close but getting the SEM over the first and last bars. Does anyone have any suggestions for the scatter code?

model_series=[nanmean(tmpdata1aS_Mean) nanmean(all_dyn1l1p0aS_Pre); nanmean(tmpdata1aS_MeanP) nanmean(all_dyn1l1p0aS_Post)];
model_error=[tmpdata1aS_SEM dyn1l1p0aS_PreSEM; tmpdata1aS_SEMP dyn1l1p0aS_PostSEM];
model_scatter=[tmpdata1aS_Mean all_dyn1l1p0aS_Pre; tmpdata1aS_MeanP all_dyn1l1p0aS_Post];
    
b=bar(model_series, 'grouped');
hold on
ngroups = size(model_series, 1);
nbars = size(model_series, 2);
groupwidth = min(0.8, nbars/(nbars + 1.5));
% Based on barweb.m by Bolu Ajiboye from MATLAB File Exchange
for i = 1:nbars
    % Calculate center of each bar
    x = (1:ngroups) - groupwidth/2 + (2*i-1) * groupwidth / (2*nbars);
    errorbar(x, model_series(:,i), model_error(:,i), 'k', 'linestyle', 'none');
    scatter(x(i).* ones(length(model_scatter(i,:)),1),model_scatter(i,:),'*')
end
hold off

Thoughts?

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Adam Danz 2020-6-18

编辑：Adam Danz 2020-6-18

"Does anyone have any suggestions for the scatter code?"

Could you describe what's wrong and what you'd like to see? It would also be helpful to know the size of your variables.

CR 2020-6-18

Yes. I would like the SEMs (asteriks) in model_scatter to be centered over the corresponding bar means (in model_series), similar to the location of the errorbars. There are 5-6 data points in each. Does this make sense?

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Answer 1

Adam Danz 2020-6-18

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/550824-grouped-bar-graph-with-scatter-plot#answer_453616

编辑：Adam Danz 2020-6-18

Here are some demo you can follow to get the x-coordinate of the center of each bar. Any one of them should be sufficient.

Use the x-coordinates to specify the location of the scatter points.

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Adam Danz 2020-6-18

编辑：Adam Danz 2020-6-18

It looks like you're looping over the bar-groups. If 'x' defines the center of each bar within group i, then x would have 2 values since there are two groups. model_scatter(i,:) is a vector. How do you decide which bar those points are plotted to?

Don't forget we can't run your code without inputs.

Adam Danz 2020-6-18

编辑：Adam Danz 2020-6-23

You probably don't need a loop. Why not just compute all x-values to all bars in 1 line of code, then add the errorbars in 1 line of code, then add the scatter points in 1 line of code? Why loop over the bar-groups. I think that complicates things.

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