Color each boxplot differently

134 次查看（过去 30 天）
Alberto Acri
Alberto Acri 2022-4-26
回答： Baldvin 2025-11-13，20:45
I found an example that allows you to color with random colors. However, I want to color the inside of each boxplot with a certain color.
a = magic(3);
boxplot(a)
i = 3; % number of boxplots
x = 1:i;
colors = rand(i, 3);
figure
boxplot(a, x,'Whisker', inf);
h = findobj(gca,'Tag','Box');
for j=1:length(h)
patch(get(h(j),'XData'),get(h(j),'YData'),colors(j,:),'FaceAlpha',.5);
end
I would also like to make the lines thicker. How can I do this?

请先登录，再回答此问题。

回答（2 个）

Jon
Jon 2022-4-26
I think this should get you closer to what you want. You can select other colors using their rgb color codes, I just used red,green and blue in the example
a = magic(3);
boxplot(a)
i = 3; % number of boxplots
x = 1:i;
colors = [1 0 0;0 1 0;0 0 1];
figure
boxplot(a, x,'BoxStyle','outline','Colors',colors);
h = findobj(gca,'Tag','Box');
for j=1:length(h)
patch(get(h(j),'XData'),get(h(j),'YData'),get(h(j),'Color'),'FaceAlpha',.5);
end
  3 个评论
显示 1更早的评论
Alberto Acri
Alberto Acri 2022-4-26
I was interested in having an increase in the thickness of all the lines in the figure. See below:
Jon
Jon 2022-4-26
If you are running R2020A or higher you may want to investigate boxchart. It seems to offer the options you want more directly

请先登录，再进行评论。

Baldvin
Baldvin 2025-11-13，20:45
Ran in:
As has been pointed out, boxchart (documentation) was introduced in R2020a and offers flexibility with coloring of the face of boxes (and much more):
a=magic(3);
b=boxchart(a(:),'GroupByColor',repelem(1:3,3));
get(b,'BoxFaceColor')
ans = 3×1 cell array
{[0.0660 0.4430 0.7450]} {[ 0.8660 0.3290 0]} {[0.9290 0.6940 0.1250]}
This property enables you to do exactly what you want to do. For example, if you wanted to change the color of the first blue box, b(1).BoxFaceColor = 'm';
BoxChart Properties documentation, especially the "Color and Styling" section, shows many more properties that might be of interest.

类别

在 Help Center 和 File Exchange 中查找有关 Exploration and Visualization 的更多信息

标签

产品


版本

R2021b

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by