**Appendix D**

Error frequency distributions for NN\_P are given below.

**Figure A2.** Error frequency distributions with (**a**) curve fit, (**b**) feed forward NN, and (**c**) cascade-forward NN. Error frequency distributions for NN\_V are given below.

**Figure A3.** Error frequency distributions with (**a**) feed forward NN, and (**b**) cascade-forward NN.
