Displaying 1 result from an estimated 1 matches for "trsurfv".
Did you mean:
trsurfy
2004 Aug 06
1
: (Lattice): Overlaying more than one trend surface using contourplot() and wireframe()
...nomial trend for Yield
Yield.ls <- surf.ls(2, g, h, Yield)
trsurfY<- trmat(Yield.ls,min(g), max(g),min(h), max(h),100)
trsurfY[c("x","y")]<- expand.grid(x=trsurfY$x,y=trsurfY$y)
## Fit 2-order Polynomial trend for viscosity
viscosity.ls <- surf.ls(2, g, h, viscosity)
trsurfV<- trmat(viscosity.ls,min(g), max(g),min(h), max(h),100)
trsurfV[c("x","y")]<- expand.grid(x=trsurfV$x,y=trsurfV$y)
## Fit 1-order Polynomial trend for molecular weight
molwt.ls <- surf.ls(1, g, h, molwt)
trsurfMW<- trmat(molwt.ls,min(g), max(g),min(h), max(h),100)
tr...