Relative volume growth regression without crown density rating. Live crown ratio drops out of the model.
Predicted RVG = 1.721 - 0.367 ln(HD Ratio) + 0.005 HG(cm) - 0.0001 Ht(m)
(R2= 0.86, SE=0.064, p<0.0001, all coefficients are significant p<0.001)