Print value of correlation to a plot displaying two functions

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Loriann Chevalier
Loriann Chevalier 2022-4-18
评论： Loriann Chevalier 2022-4-23
Hi everyone,
I have a plot displaying observed (y1) and simulated (y2) data vs year (x). I want to plot each one as a time series to visually compare them, but I would also like to print the value of the rank correlation between them :
corr(y1,y2,'Type','Kendall')
Basically I want to print the result of this on the plot, without having to copy-paste the value
figure(); hold on;
plot(Year,y1);
hold on;
plot(Year,y1);
txt = {'Corr = *value of correlation*'};
text(4,0.5,txt)
Any ideas ?
Thanks !

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采纳的回答

KSSV
KSSV 2022-4-18
编辑：KSSV 2022-4-18
R = corr(y1,y2,'Type','Kendall') ;
figure(); hold on;
plot(Year,y1);
hold on;
plot(Year,y1);
str = sprintf('%f',R) ;
txt = ['Corr = ',str];
text(4,0.5,txt)

更多回答（1 个）

Sam Chak
Sam Chak 2022-4-18
@Loriann Chevalier
Perhaps like this?
v = corr(y1,y2,'Type','Kendall');
txt = ['Corr = ', num2str(v)];
text(4, 0.5, txt)

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