How to calculate a median value of each interval?
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Hi everyone,
I want to make a line plot and for that purpose I need to calculate the median value of each interval. In my data Y (8767x1 double) is temperature and X (8767x1 double) is phase so I need to calculate the phase median value of each temperature interval such as 1 degree. And then plot it. Any suggestions how it can be done? Thank you.
Please find the attached data.
6 Comments
Rik
on 12 Jul 2021
I meant selecting specific values from a vector. If you find out which positions round to the same degree, you can use that to calculate the median of only those values. If you do that in a loop, you will have found all relevant medians.
Accepted Answer
Rik
on 12 Jul 2021
%generate some random data
temperature=15+10*rand(8767,1);
phase=360*rand(size(temperature));
temperature_rounded=round(temperature,0);
T=unique(temperature_rounded);
P=NaN(size(T));
for n=1:numel(T)
L= T==T(n); %select all positions where the rounded temperature is a specific value
P(n)=median(phase(L));%calculate the median for this selection
end
plot(T,P)
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