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Table 3 Parametric and non-parametric correlation coefficients between microwave oven and air oven moisture determination methods of the three paddy varieties

From: Comparison of microwave drying and oven-drying techniques for moisture determination of three paddy (Oryza sativa L.) varieties

Absorbed microwave power

Method

r*

P**

265 W for 20 min

Pearson

0.70

0.001

Spearman

0.68

0.006

Kendall

0.55

0.007

550 W for 7 min

Pearson

0.92

0.001

Spearman

0.68

0.002

Kendall

0.56

0.007

870 W for 4 min

Pearson

0.15

0.600

Spearman

0.20

0.483

Kendall

0.19

0.362

  1. *Correlation coefficient
  2. **Probability level