Rsq {qpcR} | R Documentation |
Calculates the R-square value for objects of class nls
, lm
, glm
, drc
or any other models from which fitted
and residuals
can be extracted.
Rsq(object)
object |
a fitted model. |
Uses the most general definition of R-square:
R^2 equiv 1 - frac{RSS}{TSS}
where
RSS = sum_{i=1}^{n}(y_i-hat{y_i})^2
and
TSS = sum_{i=1}^{n}(y_i - bar{y})^2
The R-square value of the fit.
Andrej-Nikolai Spiess
m <- pcrfit(reps, 1, 2, l5) Rsq(m)