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Table 4 Validation matrices for LDA models for identification of starch and polishing. 138 and 74 samples were used for calibration, respectively

From: Material properties of Islamic paper

From\to Unpolished Polished Total % correct
Unpolished 14 1 15 93.3
Polished 3 12 15 80.0
Total 17 13 30 86.7
From\to No starch Starch Total % correct
No starch 39 3 42 92.9
Starch 6 42 48 87.5
Total 45 45 90 90.0