Comparing 2 linear models
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Hi, I need to compare whether 2 linear models are significantly different from each other. I am fairly new to Matlab and am struggling to understand why I can't get a difference. Here is my code:
Good = isnan(yh_col) + isnan(u_col);
mdl = fitlm(yh_col(Good==0), u_col(Good==0), 'poly3');
figure
plot (mdl)
Goodf = isnan(yf_col) + isnan(ufished_col);
mdlf = fitlm(yf_col(Goodf==0), ufished_col(Goodf==0), 'poly3');
hold on
plot (yf_col, ufished_col, 'bo')
plot (mdlf)
hold off
anova2(mdl, mdlf)
As I say, I have 2 linear models and wish to compare their differences.
Any help is greatly appreciated!
Thanks.
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