I figured out how to call coefficients and R² from the summary.
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fit-lm(...) #multiple regression function
stepComp - stepAIC(fit, direction=both)
summary(stepComp)$coef[1,1] #call first coefficient
summary(stepComp)$coef[1,2] #call Std. Error of first coefficient
Hi,
stepAIC generic plot function creates useful graphics for the diagnosis of
multiple regressions. To create predicted versus observed plots, I use to
look for the coefficients, copy them by hand, calculate R², then plot. Is
there a more automated way to plot predicted versus observed with its
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