Overlaying scatter plot on grouped bar graphs

Question

Prashanti Ganesh 2021-7-20

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/882373-overlaying-scatter-plot-on-grouped-bar-graphs

评论： Prashanti Ganesh 2021-7-21

采纳的回答： Star Strider

diff_1_4.fig

在 MATLAB Online 中打开

Hi All,

I am trying to plot a grouped bar graph. Along with the bars, I also need to plot single data points on each of the bars. Additionally, I would like to connect the individual data points with each other with a line. Here is the data I would like to use. Currently, I have been able to plot the bars and the error bars. But I am unsure about plotting the single data points. Is there a way to do that?

x = 1:3;
x = categorical({'High PU-Low RU', 'Low PU-High RU', 'Low PU-Low RU'});
SEM = [0.092290761	0.08898688	0.086731951	0.0825611
07279865	0.077586879	0.075656197	0.076483
088012243	0.088217074	0.094249201	0.081997937]
y = [0.619105248	0.596942136	0.581815617	0.553836698
488348187	0.520468608	0.507517199	0.513063563
590404075	0.591778124	0.63224286	0.550058883]
all = [0.1	0.2	0.3
4	0.4	0.6
6	0.5	0.8
6	0.8	0.6
1	0.2	0.3
4	0.4	0.6
6	0.5	0.8
6	0.8	0.6
42	0.52	0.62
72	0.72	0.92
92	0.82	1.12
92	1.12	0.92
42	0.52	0.62
72	0.72	0.92
92	0.82	1.12
92	1.12	0.92
]

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Answer 1

Star Strider 2021-7-20

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/882373-overlaying-scatter-plot-on-grouped-bar-graphs#answer_750578

在 MATLAB Online 中打开

The ‘all’ matrix is (16x3), however there are 12 bars (3 groups of 4). Ths size of ‘all’ is not consistent with that.

How is the ‘all’ matrix to be plotted with respect to the bars? I have chosen one option here. Clarify if I guessed incorrectly.

x = 1:3;

xlbl = {'High PU-Low RU', 'Low PU-High RU', 'Low PU-Low RU'};

SEM = [0.092290761 0.08898688 0.086731951 0.0825611

0.07279865 0.077586879 0.075656197 0.076483

0.088012243 0.088217074 0.094249201 0.081997937];

y = [0.619105248 0.596942136 0.581815617 0.553836698

0.488348187 0.520468608 0.507517199 0.513063563

0.590404075 0.591778124 0.63224286 0.550058883];

all = [0.1 0.2 0.3

0.4 0.4 0.6

0.6 0.5 0.8

0.6 0.8 0.6

0.1 0.2 0.3

0.4 0.4 0.6

0.6 0.5 0.8

0.6 0.8 0.6

0.42 0.52 0.62

0.72 0.72 0.92

0.92 0.82 1.12

0.92 1.12 0.92

0.42 0.52 0.62

0.72 0.72 0.92

0.92 0.82 1.12

0.92 1.12 0.92];

figure

hBar = bar(x, y.'); % Return ,bar Handle

for k1 = 1:size(y,2)

ctr(k1,:) = bsxfun(@plus, hBar(k1).XData, hBar(k1).XOffset'); % Note: ;XOffset; Is An Undocumented Feature, This Selects The ‘bar’ Centres

ydt(k1,:) = hBar(k1).YData; % Individual Bar Heights

end

hold on

errorbar(ctr, ydt, SEM.', '.g', 'MarkerSize',1)

plot(x, all, '.-', 'LineWidth',1.5)

xticklabels(xlbl);

.

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Star Strider 2021-7-20

My pleasure.

These data still do not match the bar plot.

I have no idea how to plot them since the sizes (number of rows in ‘all’ and the number of bars) do not match, nor do I know what result you want. The bar centres (with respect to to x-axis coordinates) are provided by the ‘ctr’ matrix, created in the loop. Once the rows in ‘all’ match the number of bars (12), you can use those data to plot the lines in a loop. Just now, I have no idea how to do that, because the numbers do not match. I also have no idea how to match the rows of ‘all’ and the bars themselves, even if the sizes matched, in order to plot the lines. Those details — what rows of ‘all’ go with what bars — have not been provided.

.

Prashanti Ganesh 2021-7-21

50_difference_ecoperf.fig

The reason for the inconsistency in the dimensions of all is because there are many data points whose avg is represented by one bar. For instance, in the following figure each bar represents the avg of the single data points overlaid on the bars. In this case, y was a matrix of 1 by 4 while all was a matrix of 50 by 4. I just want the same thing, for each of the bars, in a grouped bar graph. Even I am unsure what the dimensions of all should be like.

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