Displaying 1 result from an estimated 1 matches for "tp2251438p2255537".
2010 Jun 11
3
Calculation of r squared from a linear regression
Hi,
I'm trying to verify the calculation of coefficient of determination (r squared) for linear regression. I've done the calculation manually with a simple test case and using the definition of r squared outlined in summary(lm) help. There seems to be a discrepancy between the what R produced and the manual calculation. Does anyone know why this is so? What does the multiple r squared