a function for representing a smoothing spline anova result

produce a graphic of Smoothing splines anova fitting

plotGSS(datain, modelin, trait, myvec, lgrid)

Arguments

datain	a dataframe
modelin	a list of output of ssanova()
trait	a variable to explore
myvec	a numeric vector for facet graph
lgrid	length of the regular grid for ssanova prediction

a ggplot2 graph object

the dataframe in input must contain Genosce, repetition and thermalTime columns!

# Not run