# How can I draw a histogram of my data?

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Serhat Sayim le 25 Avr 2021
I have 1x720 data. I determined my threshold value as 3 for these data. I want to draw a histogram. I want to write as wheeze if the values ​​in this histogram are less than 3, and non wheeze if they are greater than 3. I want it to look like the sample histogram below. How can I do this? Thank you.
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Image Analyst le 25 Avr 2021
Do you want to make it easy for people to help you by attaching your actual data? Or should they just use something like
data = 6 * rand(1, 720);
Serhat Sayim le 25 Avr 2021
here I attached the m form of it.

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### Réponse acceptée

Scott MacKenzie le 25 Avr 2021
Modifié(e) : Scott MacKenzie le 25 Avr 2021
load data; % loads data into vector mci
threshold = 3;
upper = ceil(max(mci));
d = histcounts(mci, 0:upper);
bar(1:threshold, d(1:threshold), 'facecolor', 'k');
axis([0 upper 0 max(d)*1.05]);
hold on;
bar(threshold+1:upper, d(threshold+1:upper), 'facecolor', 'w');
set(gca,'ticklength', [0 0]);
set(gca,'xtick', 0.5 + 0:upper);
set(gca,'xticklabels', 0:upper);
legend({'wheeze' 'non-wheeze'});
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Serhat Sayim le 25 Avr 2021
Thank you.

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