Control histogram appearance: width of bars
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odo22
el 26 de Sept. de 2016
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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michio
el 26 de Sept. de 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 comentarios
michio
el 27 de Sept. de 2016
Editada: michio
el 29 de Sept. de 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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