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Table 3 Models for predicting observed acid-binding capacity to pH 4.0 (ABC-4) and observed acid-binding capacity to pH 3.0 (ABC-3) from their respective predicted ABC values

From: Measurements of the acid-binding capacity of ingredients used in pig diets

Measure

N1

Observed value

Predicted value

Y2

A3

B4

(R2)5

(Adj. R2)6

RSD7

ABC-4

34

259 ± 93.3

294 ± 124.8

Observed ABC-4

59.50**

0.68***

0.83

0.82

39.11

ABC-3

34

608 ± 88.8

640 ± 77.6

Observed ABC-3

-9.32

0.97***

0.71

0.70

48.28

  1. 1Number of samples. 2Dependent variable. 3Regression constant. 4Regression coefficient for regression on predicted ABC-4 or ABC-3 value. 5Coefficient of determination. 6Adjusted R2. 7Residual standard deviation.