How to show regression line over my plot?
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I have made scatter plot using the command below.
aa=scatter(MERRA_combined(:),MISR_combined(:))
xlim([0 1])
ylim([0 1])
xlabel('MERRA 2')
ylabel('MISR')
title('Aerosol Optical Depth')
I wish to add regression line to this plot. I have attached the variables.
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KSSV
il 24 Giu 2017
Modificato: KSSV
il 24 Giu 2017
doc lsline
Or..use the below code:
load x_axis.mat ;
load y-axis.mat ;
aa=scatter(MERRA_combined(:),MISR_combined(:)) ;
xlim([0 1])
ylim([0 1])
xlabel('MERRA 2')
ylabel('MISR')
title('Aerosol Optical Depth')
%%fit line
x = MERRA_combined(:) ;
y = MISR_combined(:) ;
% remove NaN's from y
x(isnan(y)) = [] ;
y(isnan(y)) = [] ;
P = polyfit(x,y,1);
%
x0 = min(x) ; x1 = max(x) ;
xi = linspace(x0,x1) ;
yi = P(1)*xi+P(2);
hold on
plot(xi,yi,'r') ;
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