Table 31 . --Listing- of conversion models tested using expanded data set minus subplot 13 



, Independent variables 



number ^ 



1 D, S, TT8, BA8 



2 D, S, TT8, BADC 



3 D, S, TTDC, BA8 



4 D, S, TTDC, BADC 



5 D, TT8 



6 D, TTDC 



7 d2, TT8 



8 d2, TTDC 



9 D, d2, S 

 10 D, S 



Table 32 . --Validation chi-square test across diameter classes for final conversion model 



Diameter 

 class 



Number of trees 

 in class 



Actual 

 conversion 



Predicted 

 conversion 



Chi-square 

 value 



4-15 



747 



2, 



.00 



1 



.23 



0.5 



16-19 



84 



1, 



.00 



1 



.34 



.1 



20-21 



42 



1, 



.00 



1 



.36 



.1 



22 



24 



1, 



.00 



1 



.05 







23 



26 



1 , 



.00 



1 



.38 



.1 



24-25 



23 



1, 



.00 



1 



.57 



.2 



26-28 



13 



3. 



.00 



1 



.29 



2.3 



29+ 



11 



2. 



.00 



1 



.65 



. 1 











Chi- 



square 



statistic = 3.4 



76 



