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Table 3.
Multiple regression parameters and statistics intended for prediction of sugar accumulation (Brix) and total titratable acidity.
| Multiple regression | Brix, % (Y) | TTA, g/l (Y) | ||
|---|---|---|---|---|
| parameters | Adj.R2 = 0.56 | Adj.R2 = 0.74 | ||
| (p-value = 0.00512) | (p-value = 1.65177E − 4) | |||
| Value | SE | Value | SE | |
| Intercept | 18.7266 | 10.0287 | 6.4278 | 5.5530 |
| Precipitations (X1) | 0.0015 | 0.0018 | 1.4984 | 0.3273 |
| Med. T ∘C WM*(X2) | − 2.2712 | 0.5912 | 8.14E-4 | 9.72E-4 |
| Max. T ∘C WM* (X3) | 1.2230 | 0.5195 | − 1.0984 | 0.28767 |
| Days T > 30 ∘C (X4) | 0.0025 | 0.0453 | − 0.0280 | 0.0251 |
| Days T > 35 ∘C (X5) | 0.0658 | 0.0484 | − 0.0537 | 0.0268 |
| Huglin Index (X6) | 0.0069 | 0.0037 | −7.23E-5 | 0.0021 |
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