how can i find R2 (Rsquared) for regression problem in matlab?

Question

NN 2021-6-12

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/854330-how-can-i-find-r2-rsquared-for-regression-problem-in-matlab

回答： Sulaymon Eshkabilov 2021-6-12

how can i find R2 (Rsquared) for regression problem in matlab?I have my forecasted outputs and targets .How can i write code for plotting R2 for this?

Kindly advice

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

Answer 1

Sulaymon Eshkabilov 2021-6-12

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/854330-how-can-i-find-r2-rsquared-for-regression-problem-in-matlab#answer_723035

R-squared can be computed easily from your derived fit model vs. your original data. Moreover, R-square can be computed in Statistics, Curve fitting and a few other toolboxes of matlab, as well.

Here is a nice doc of mathworks on it:

https://www.mathworks.com/help/stats/coefficient-of-determination-r-squared.html