Hello all useRs,
I am tring make a simple surface plot ( 2 by 2 terms of a MARS model
(with earth package)
but I get the follow error message:
> plotmo( mars )
Error: bad index (missing column in x?)
I don't no how to workround this... :-(
I thanks in advanced by some help!
Thanks.
Cleber
###############
>
> ### example code:
> library( earth )
> data( gasoline, package='pls' )
>
> nir <- gasoline$NIR
> dim( nir )
[1] 60 401
> class( nir )
[1] "AsIs"
>
> oct <- gasoline$octane
>
> mars <- earth( oct ~ nir, nk=300, nfold=10, degree=3, trace=0 )
>
> plotmo( mars )
Error: bad index (missing column in x?)
> plotmo( mars, all1=T )
Error: bad index (missing column in x?)
> plotmo( mars, all1=T, all2=T )
Error: bad index (missing column in x?)
>
> sessionInfo()
R version 2.13.1 (2011-07-08)
Platform: i386-pc-mingw32/i386 (32-bit)
locale:
[1] LC_COLLATE=Portuguese_Brazil.1252
LC_CTYPE=Portuguese_Brazil.1252 LC_MONETARY=Portuguese_Brazil.1252
[4] LC_NUMERIC=C LC_TIME=Portuguese_Brazil.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] pls_2.1-0 earth_3.2-0 plotrix_3.2-2 plotmo_1.2-6 leaps_2.9
loaded via a namespace (and not attached):
[1] tools_2.13.1
>
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