To the best of my knowledge this works as per mgcv::gam and mgcv::gamm (as
the only code in **gamm4** is that to fit the GAMM via **lme4** and nothing
else, so leveraging existing code in **mgcv**).
Whilst it would help to give more informative names than X1 and X2, and so
on to your variables, I
Hi,
I am trying to use cyclic splines in gamm4 to model year day. I have data
running from say day 6 to day 300 but I want to specify the outer limits of
the data are at 0 and 366. I dont want to fix the inner position of the
knots however (I allow for a total of 5 knots). Is there a way to do