Displaying 1 result from an estimated 1 matches for "0.056178".
2012 Jul 13
4
R-squared with Intercept set to 0 (zero) for linear regression in R is incorrect
Hi,
I have been using lm in R to do a linear regression and find the slope
coefficients and value for R-squared. The R-squared value reported by R
(R^2 = 0.9558) is very different than the R-squared value when I use the
same equation in Exce (R^2 = 0.328). I manually computed R-squared and the
Excel value is correct. I show my code for the determination of R^2 in R.
When I do not set 0 as the