gam log link fails to work gam log link not working gam error does gam work without starting values gam function does not work gam.fit error how to set start gam what is the gam function how to set gam start value does the gam log link work without starting values why can't gam work in multiple regression can you find valid starting values for the log link gam log link does not work without starting values how do gam log link work what package gam does it work with how to create gam link can gam.fit work without variables in gam what is the error when gam log link fails is gam a regression function gam.fit function not able to find valid starting values