# Finding the probability of a given x-value on a histogram

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Nithila MK
on 2 Aug 2020

Commented: Nithila MK
on 4 Aug 2020

I have a data set that I use to plot a histogram with the following code:

edges = linspace(0, 1, 21);

figure(1); h = histogram(dataSet,'BinEdges', edges, 'Normalization', 'probability');

title(['Eccentricity Distribution']); xlabel('Eccentricity'); ylabel('Probability'); ylim([0 1]);

I then find the median of the data set using:

med = median(dataSet);

I now want to find the probability of this median value from the histogram. At the very least I would need the edges of the bin in which the median value is.

I tried using h.Values and h.Data but these two sets don't share a common indexing method that would allow me to find the index of the median value from h.Values and then use that to find the probability in h.Data.

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Thiago Henrique Gomes Lobato
on 2 Aug 2020

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