Control histogram appearance: width of bars
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Hi, I'm plotting the following histogram:
h1 = histogram(FIBR);
h1.Normalization = 'probability';
h1.BinWidth = 100;
I want to the bars to be thinner so I've called
h1 = histogram(FIBR,'BarWidth',0.5);
But I get the following error:
Error using histogram>parseinput (line 211)
Expected input to match one of these strings:
'BinEdges', 'BinLimits', 'BinLimitsMode', 'BinMethod', 'BinWidth', 'BusyAction', 'ButtonDownFcn', 'CreateFcn', 'Data', 'DeleteFcn', 'DisplayName', 'DisplayStyle',
'EdgeAlpha', 'EdgeColor', 'FaceAlpha', 'FaceColor', 'HandleVisibility', 'HitTest', 'Interruptible', 'LineStyle', 'LineWidth', 'Normalization', 'NumBins',
'Orientation', 'Parent', 'PickableParts', 'Selected', 'SelectionHighlight', 'Tag', 'UIContextMenu', 'UserData', 'Visible'
The input, 'BarWidth', did not match any of the valid strings.
Error in histogram (line 118)
[opts,args] = parseinput(args,~isempty(cax));
And I'm really confused because I'm following the manual:
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Accepted Answer
michio
on 26 Sep 2016
'BarWidth' option only applies to histograms of categorical data. Is your FIBR categorical or numerical?
The following is one of the example from the documentation:
A = [0 0 1 1 1 0 0 0 0 NaN NaN 1 0 0 0 1 0 1 0 1 0 0 0 1 1 1 1];
C = categorical(A,[1 0 NaN],{'yes','no','undecided'});
h = histogram(C,'BarWidth',0.5);
If FIBR is of some discrete values, you can convert it to categorical then use BarWith property.
4 Comments
michio
on 27 Sep 2016
Edited: michio
on 29 Sep 2016
I see. Making your data into categorical in some way is one idea. Another possible workaround would be to use bar function after counting the number of elements in the bin. Example follows.
nbins = 10;
x = randn(10000,1);
[counts,edges] = histcounts(x,nbins);
center = 0.5*(edges(1:end-1)+edges(2:end));
bar(center, counts, 0.7);
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