. Author manuscript; available in PMC: 2018 Sep 26.

Published in final edited form as: Mol Biosyst. 2017 Sep 26;13(10):2069–2082. doi: 10.1039/c7mb00390k

Table 4.

Regression models for instantaneous directed cell velocity above cut-off^*

H^%_v,d = C + C_conc[L]^n_conc + C_grad∇L^n_grad + C_cross[L]^n_c,c∇L^n_g,c
Parameter	Model 1	Model 2	Model 3C	Model 3G
RMSE	0.1937	0.1936	0.1936	0.1936
C	0.001	0.001	7.95E−07	0.005
*C_conc*	0.005	0.005	0.017	N/I
*n_conc*	0.001	4.33E−05	0.037	N/I
*C_grad*	0.006	0.006	N/I	0.008
*n_grad*	0.247	0.247	N/I	0.181
*C_cross*	9.97E−05	N/I	N/I	N/I
*n_c,c*	0.0001	N/I	N/I	N/I
*n_g,c*	0.0007	N/I	N/I	N/I

N/I: not included. Units are: H^%_v,d, percentage; ligand concentration, ng/ml; and ligand gradient, ng/ml/mm.