get_best_params	get_best_params
get_functions	get_functions
get_lhs	get_lhs
get_parameters	get_parameters
get_rhs	get_rhs
is.nlstac	is.nlstac
nls_tac	nls_tac
predict.nlstac	predict.nlstac
print.summary.nlstac	print.summary.nlstac
summary.nlstac	summary.nlstac
