S compatibility functions (in scompat.R):
many functions need unix() !
std.factor.names()
rtps needs wt.huber()

Note: ported does not mean well tested in every case!

restore.dos.help 	- will not be not ported
dump.dos.help 		- will not be not ported
ushell.design 		- ported, needs std.factor.names()
COR 			- ported, 
EOF.cov 		- ported
EXP.cov 		- ported
FEXP 			- ported
FUNFITS.version 	- ported
GaSP.cov 		- ported
INTERP 			- ported
US 			- not ported (needs library(maps) !)
add.netfit.model 	- ported
addreg 			- ported
as.EOF.cov 		- ported
as.cov.isocor 		- ported
as.surface 		- ported
as.tiles 		- not ported
attach.funfits 		- not ported (not needed)
attach.local 		- not ported     "
attach.slab 		- not ported     "
bisection.search 	- ported ?
bplot 			- not ported
bubble 			- not ported
cat.matrix 		- ported
cat.to.list 		- not ported
coef.nnreg 		- ported
contour.tpsreg 		- not ported
count 			- not ported
cover.criterion 	- not ported
cover.design 		- not ported
curve.example 		- not ported
d.squasher.nnreg 	- ported
describe 		- ported
dump.data.list 		- not ported
dump.fun.list 		- not ported
dup 			- ported
dup.matrix 		- ported
dynload.HP 		- will not be ported
emacs 			- will not be ported
exp.cov 		- ported
exp.earth.cov 		- not ported
exp.isocor 		- not ported
extra 			- not ported
fast.1way 		- not ported
find.upcross 		- not ported
format.help 		- not ported
fun.ball 		- not ported
gcv 			- ported
gcv.krig 		- ported
gcv.tps 		- ported
golden.section.search 	- ported
help.to.latex 		- will not be ported
interp.grid 		- ported
interp.surface 		- ported
krig 			- ported
leaps.design 		- not ported
list.to.grid 		- not ported
lle 			- ported
lle.default 		- ported
lle.nlar 		- ported
lon.lat.to.xy 		- not ported
lplot 			- not ported
make.Amatrix 		- ported
make.Amatrix.krig 	- ported
make.Amatrix.tps 	- ported
make.DKc 		- not ported
make.DTd 		- not ported
make.Kc 		- ported
make.Kc.S 		- will not be ported
make.Mmatrix.tps 	- not ported
make.diagA 		- not ported
make.drb 		- not ported
make.dump.files 	- not ported
make.gaspb 		- not ported
make.lags 		- ported
make.lle 		- ported
make.qfiles 		- not ported
make.rb 		- ported
make.rb.S 		- will not be ported
make.surface.grid 	- ported
make.tmatrix 		- ported
make.tmatrix.S 		- will not be ported
make.wb 		- not ported
make.wb2d 		- not ported
met.s 			- not ported
mle.krig 		- not ported
netfit.reformat.greedy 	- ported
nkden 			- ported
nkden.cv 		- not ported
nkreg 			- not ported
nlar 			- not ported
nnet.scale 		- not ported
nnreg 			- ported
nnregCI 		- ported 
optim 			- not ported
optim.funfits 		- not ported
optim.tpsreg 		- not ported
pair.na 		- ported
pairs.funfits 		- not ported
pareto 			- not ported
pareto.plus 		- not ported
pareto.tps 		- not ported
path 			- not ported
persp.init 		- not ported
persp.lines 		- not ported
persp.points 		- not ported
persp.polygon 		- not ported
persp.text 		- not ported
persp.tiles 		- not ported
perspp.dist 		- not ported
pico 			- not ported
plot.addreg 		- ported
plot.case.tpsreg 	- not ported
plot.krig 		- ported
plot.lle 		- ported
plot.nlar 		- not ported
plot.nnreg 		- ported
plot.predict.tpsreg 	- ported
plot.spatial.design 	- not ported
plot.spreg 		- not ported
plot.sreg 		- not ported
plot.surface 		- ported
plot.tps 		- ported
plot.tpsreg 		- ported
plot.vgram 		- not ported
plot.window 		- not ported
predict.addreg 		- ported
predict.krig 		- ported
predict.netfit 		- ported
predict.nlar 		- not ported
predict.nnreg 		- ported
predict.se 		- ported
predict.se.krig 	- ported
predict.se.tps 		- not ported
predict.surface 	- ported
predict.surface.se 	- not ported
predict.tps 		- ported
predict.tpsreg 		- ported ?
print.krig 		- ported
print.lle 		- not ported
print.nlar 		- not ported
print.nnreg 		- ported
print.summary.krig 	- not ported
print.summary.nlar 	- not ported
print.summary.spatial.design - not ported
print.summary.tps 	- not ported
print.text 		- ported
print.tps 		- ported
print.tpsreg 		- ported
pspreg 			- not ported
qr.q2ty 		- ported
qr.q2y 			- ported
qr.yq2 			- ported
qspreg 			- not ported
radbas.constant 	- ported
rdist 			- ported
rdist.earth 		- not ported
read.nnreg 		- ported
remove.file 		- ported
rename.PCfiles 		- will not be ported
reset.par 		- not ported
rowmatch 		- not ported
rtps 			- not ported
scaleA 			- not ported
sd 			- not ported
set.panel 		- ported
setup.HP 		- will not be ported
setup.pc 		- ?? will not be ported
sigma 			- not ported
sort.matrix 		- not ported
splint 			- ported
spread.design 		- not ported
spreg 			- not ported
spreg.local 		- not ported
squasher.nnreg 		- ported
sreg 			- not ported
stats 			- ported
summary.AOV 		- not ported
summary.krig 		- ported
summary.lle 		- ported
summary.netfit 		- ported
summary.nlar 		- ported
summary.nnreg 		- ported
summary.spatial.design 	- not ported
summary.tps 		- ported
summary.tpsreg 		- ported
surface 		- ported
surface.addreg 		- ported
surface.krig 		- ported
surface.nnreg 		- ported
surface.surface 	- ported
surface.tps 		- ported
surface.tpsreg 		- ported, problems
touch.file 		- ported
tps 			- ported
tps.df.to.lambda 	- ported ?
tps.fdf 		- ported ?
tps.fgcv 		- ported
tps.fs2hat 		- ported
tps.fshat 		- ported
tps.ftrace 		- ported
tps.match.rmse 		- not ported
tps.parm 		- not ported
tpsreg 			- ported
transformx 		- ported
unique.matrix 		- ported
unscale 		- ported
vgfast 			- not ported
vgram 			- not ported
wavelet 		- not ported
write.data 		- ported
xline 			- ported
yarn 			- not ported
yline 			- ported
grid.list 		- not ported
help 			- ?? will not be ported
topic 			- ?? will not be ported
rdist.S 		- not ported
