Table 5: Maximum errors (ME) of height by BPNN and regression analysis.

ItemCase
Case  1 (cm)Case  2 (cm)Case  3 (cm)Case  4 (cm)Average ME (cm)

Training patterns
 BPNN2.404 × 10−91.532 × 10−101.608 × 10−106.280 × 10−116.952 × 10−10
 Regression0.4981.421 × 10−135.4 × 10−138.530 × 10−140.1245
Test patterns
 BPNN0.2150.3751.7960.11470.6252
 Regression0.1780.1123.4110.0460.937