Displaying 3 results from an estimated 3 matches for "fbsnch".
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fbench
2010 Jun 03
4
gam error
Hi all,
I'm trying to use a gam (mgcv package) to analyse some data with a roughly U
shaped curve. My model is very simple with just one explanatory variable:
m1<-gam(CoT~s(incline))
However I just keep getting the error message
"Error in smooth.construct.tp.smooth.spec(object, dk$data, dk$knots) :
A term has fewer unique covariate combinations than specified maximum
degrees of
2009 Apr 29
3
2 way ANOVA with possible pseudoreplication
Hi,
I have an experiment with 2 independant factors which I have been trying to
analyse in R. The problem is that there are several data points recorded on
the same animal. However, no combination of treatments is repeated on the
same animal. All possible combinations of treatments are done in a random
order with as many points as possible being done on 1 animal before moving
onto the next.
The
2010 May 07
2
glm contrasts
Hi,
I have some data on the effect of cycle shape (categorical) and
frequency (continuous) on the efficiency of muscle contraction. My
minimum adequate model is:
m15<-glm(efficiency~cycle.shape*freq, family=quasipoisson)
However, I wish to know where significant differences lie between
specific combinations of treatments. I guess I want an equivalent of a
post hoc test following an