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remove the space between the bars in a bar chart?

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Is it possible to remove the space between the bars in a bar chart? Where is the option?

Answers (2)

Image Analyst
Image Analyst on 14 Nov 2012
Try this:
bar(xValues, yValues, 'BarWidth', 1);
You can set the bar width to any fraction between 0 and 1 that you want.
Image Analyst
Image Analyst on 28 Mar 2021
@Torkan, well not "just". Did you actually try it? By changing the width fraction, you are changing the fraction of the distance between one bar and the next that a bar takes up. This changes both the bar width and the spacing between the bars. All you have to do it try it and see:
xValues = 1 : 4;
yValues = rand(1, length(xValues))
subplot(2, 1, 1);
bar(xValues, yValues, 'BarWidth', 0.7);
subplot(2, 1, 2);
bar(xValues, yValues, 'BarWidth', 1);
Do you see now how the relative proportion of bar and space can be adjusted? And @John wanted to "remove the space between the bars", and using 1 will do exactly that. Though I'm not sure why he has not accepted the answer yet. Perhaps he'll come back and say why this answer was not accepted, but since it's been 9 years, I doubt it.

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Honglei Chen
Honglei Chen on 13 Nov 2012
Edited: Honglei Chen on 14 Nov 2012
Are you looking for something like below?
The last argument, 1, stands for bar width.


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