Table 2.
Variables in model | Adjusted R 2 | R 2 |
---|---|---|
A | .1317 | .1896 |
A, S | .2650 | .3630 |
A, S, N | .2848 | .4278 |
A, S, N, Sl | .3087 | .4930 |
A, S, N, Sl, F | .3144 | .5429 |
A, S, N, Sl, F, V | .3101 | .5861 |
Selected environmental variables included altitude (A), skeleton (S), nitrogen (N), slope (Sl), crown foliation (F) and tree vigor (V). R 2 shows the proportion of variance explained, whereas adjusted R 2 provides the R 2 adjusted for the number of parameters included in the model.