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Official Journal of the Japan Wood Research Society

Table 3 Multiple regression analysis results for Martin guitars

From: Effect of wood attributes on the price persistence of acoustic guitars

 

Coefficient

Standard error

Fingerboard-Ebony

0.60**

0.11

Neck-Mahogany

0.14

0.13

Side back-Rosewood

0.27*

0.13

Side back-Sapele

− 0.33**

0.11

Side back-HPL

− 0.55**

0.09

Year 1950s

0.51**

0.10

Year 1990s

− 0.48**

0.10

Year 2000s

− 0.29**

0.09

Constant

11.42**

0.09

Adjusted R-squared

0.70

 
  1. The explanatory variables were the combination of wood species and guitar parts
  2. **p < 0.01, *p < 0.05, †p < 0.10
  3. The results presented in this table are the results of stepwise regression analysis