HISTOGRAM 2 COLOURS - positive numbers red, negative numbers blue

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aine gormley 2018-12-4

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https://ww2.mathworks.cn/matlabcentral/answers/433741-histogram-2-colours-positive-numbers-red-negative-numbers-blue

评论： aine gormley 2018-12-4

采纳的回答： madhan ravi

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Hello,

I have a histogram showing temperature warming (positive numbers) and cooling (negative). It is based on linear regression and the basic code for hte histpgram part is below.

I am wondering is it possible to do the positive bars (there are 1000s) in red and the neg (100s) in blue? Similar to the split in the picture below the code (obviously without the arrow etc.).

slopes = slope_TSA(:);
slopes(isnan(slopes)) = [];
figure;
histogram(slopes);
ylim([0 180000]);
xlim([-0.0001 0.0002]);
title('Distribution of combined ctl slopes - TSA');

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采纳的回答

madhan ravi 2018-12-4

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https://ww2.mathworks.cn/matlabcentral/answers/433741-histogram-2-colours-positive-numbers-red-negative-numbers-blue#answer_350461

编辑：madhan ravi 2018-12-4

在 MATLAB Online 中打开

EDITED

h=histogram(slopes(slopes>0));
h.FaceColor='red'
hold on
h1=histogram(slopes(slopes<0));
h1.FaceColor='blue'

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madhan ravi 2018-12-4

Download https://www.mathworks.com/matlabcentral/fileexchange/59361-histogram-percentage you may find it useful

aine gormley 2018-12-4

Thanks, tho this function doesnt seem to display right - even using the example. I will open a new query regarding this, thanks for your time

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