how to fit a trend line in plotyy ?
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% code
y = [1:120]';
plotyy(y,data1,y,data2);
hold on
% plot(y,intercept + slope*y);
according to this code how can fit a trend line in data2
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Accepted Answer
Brendan Hamm
on 2 Mar 2015
Edited: Brendan Hamm
on 2 Mar 2015
You could use:
p = polyfit(y,data1,n); % looks like you want n=1 in your case
p contains the coefficients of the line:
fitLine = p(1)*y + p(2);
or equivalently:
fitLine = polyfit(p,y);
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