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. 2021 Sep 27;7(4):1242–1252. doi: 10.1016/j.aninu.2021.07.004

Table 2.

Summary statistics for calibration (CAL) and validation (VAL) of crude protein and amino acid composition (g/kg of dry matter) of cereals.

CAL statistics
VAL statistics
N CAL Range CAL Mean SD Factors RSQ CAL SECV N Val Range VAL RSQ VAL SEP RPD
CP 211 90.6 - 176.7 127.0 17.8 9 0.95 5.47 59 88.6 - 161.1 0.91 5.47 3.26
Indispensable amino acids
 LYS 194 2.5 - 8.8 4.3 0.7 8 0.83 0.37 55 2.8 - 6.3 0.67 0.35 1.97
 MET 192 1.4 - 3.1 2.1 0.3 7 0.84 0.14 55 1.3 - 2.6 0.59 0.19 1.45
 CYS 194 2.0 - 4.6 2.7 0.4 8 0.88 0.18 55 2.0 - 4.5 0.73 0.25 1.57
 THR 194 3.0 - 6.4 4.0 0.5 10 0.92 0.25 55 3.2 - 5.0 0.72 0.27 2.02
 ILE 194 1.4 - 6.8 4.6 0.7 7 0.88 0.30 55 3.2 - 6.0 0.77 0.35 2.00
 LEU 191 5.6 - 13.5 8.7 1.4 11 0.96 0.49 55 5.4 - 13.8 0.69 0.93 1.47
 HIS 193 2.0 - 4.0 2.8 0.4 5 0.76 0.23 55 2.0 - 3.8 0.72 0.24 1.71
 PHE 194 3.8 - 9.1 6.1 1.1 9 0.93 0.39 55 4.1 - 8.5 0.87 0.40 2.64
 VAL 195 4.4 - 9.4 6.2 0.9 7 0.87 0.42 55 4.8 - 8.2 0.73 0.49 1.89
 ARG 192 4.4 - 12.1 6.3 1.0 8 0.89 0.41 55 4.4 - 10.2 0.78 0.53 1.81
 TRP 64 0.8 - 2.1 1.5 0.3 3 0.65 0.18 15 0.8 - 1.9 0.52 0.20 1.29
Dispensable amino acids
 ALA 192 2.5 - 8.4 5.0 0.7 9 0.90 0.32 55 4.0 - 8.0 0.76 0.42 1.70
 ASP 192 5.1 - 14.1 7.2 1.1 8 0.87 0.51 55 5.6 - 11.7 0.76 0.57 1.87
 GLU 193 13.7 - 53.3 31.7 7.7 11 0.98 1.93 55 17.4 - 44.4 0.88 2.32 3.31
 GLY 192 3.7 - 8.2 5.1 0.7 8 0.88 0.32 55 3.9 - 7.4 0.80 0.34 2.07
 PRO 194 5.7 - 28.7 12.7 2.8 10 0.96 0.88 55 6.3 - 18.9 0.89 0.93 3.00
 SER 192 3.9 - 8.0 5.7 0.9 10 0.94 0.34 55 4.0 - 7.7 0.82 0.41 2.14
 TYR 193 2.4 - 5.8 3.9 0.7 9 0.93 0.25 55 2.6 - 5.7 0.81 0.31 2.16

N = the number of samples; RSQ = regression coefficient; SECV = standard error of cross validation; SEP = standard error of prediction; RPD = ratio of performance deviation; CP = crude protein; LYS = lysine; MET = methionine; CYS = cysteine; THR = threonine; ILE = isoleucine; LEU = leucine; HIS = histidine; PHE = phenylalanine; VAL = valine; ARG = arginine; TRP = tryptophan; ALA = alanine; ASP = aspartic acid; GLU = glutamic acid; GLY = glycine; PRO = proline; SER = serine; TYR = tyrosine.