Re: [R] GLM vs GAM

2014-03-14 Thread Simon Wood
I am wondering whether anyone could explain what'd be the difference between running a 'generalized additive regression' versus 'generalized linear regression' with splines. The smooth terms in mgcv::gam are represented using *penalized* regression splines, with the degree of penalization sel

[R] GLM vs GAM

2014-03-13 Thread Ehsan Karim
Dear R-list, I am wondering whether anyone could explain what'd be the difference between running a 'generalized additive regression' versus 'generalized linear regression' with splines.  Are they same models theoretically? My apologies if this is a silly question. Any comments or direction to