Table 6 Statistics for the multiple regression models used to calculate the value of pruned and unpruned redwood logs

Pruned logs

SED only

0.43

64

7.4

0.021

2.72

0.021^*

SED and Defect Core

0.56

59

5.73

0.025

−1.66

0.131^n.s

SED and Sweep

0.67

54

5.44

0.025

−1.64

0.139^n.s

SED and % Heartwood

0.67

57

3.70

0.632

−0.41

0.696^n.s

Unpruned logs

SED only

0.18

39

7.796

0.008

2.792

0.008^**

SED + % Rot

0.45

31

15.77

<0.001

−4.426

<0.001^**