[R] leaps: XHAUST returned error code -999

[Pete St. Onge]

Hi there,
     This problem has been dogging me for a bit, and I'm trying to
figure out why. When running the the subsets function in the leaps
library, R is giving me the following error message

> lvodsub <- subsets(pred, resp$LVOD)
Warning message: 
XHAUST returned error code -999 in: leaps.exhaustive(a, really.big =
really.big) 

but this still happens if I add the really.big option:

> lvodsub <- subsets(pred, resp$LVOD, really.big=T)
Warning message: 
XHAUST returned error code -999 in: leaps.exhaustive(a, really.big =
really.big) 

The library works just fine on some data (some work I did previously
that I ran again so that I could make sure that there wasn't some sort
of file problem), but there appears to be something wrong with this
particular data set. However, having examined the dataset, there are no
missing data and all of the data is numeric (shown below).

I looked in some of the archives, the online help, and some of the other
documentation, already.

Any ideas or suggestions would be very appreciated,

Thanks in advance,

Pete

-----------------------------------------------

> objects()
[1] "lahodsub"     "last.warning" "pred"         "resp"        
> str(pred)
`data.frame':  93 obs. of  20 variables:
 $ LDOC      : num  0.613 0.672 0.556 0.906 0.958 ...
 $ LTP       : num  0.751 0.924 0.791 1.078 1.139 ...
 $ LChlA     : num  0.232 0.211 0.084 0.611 0.321 ...
 $ LZmax     : num  1.20 1.20 1.20 1.30 1.30 ...
 $ LDepth    : num  0.954 1.000 0.845 0.778 0.845 ...
 $ LDSAm     : num  6.13 6.13 6.13 6.79 6.79 ...
 $ LLSAm     : num  5.58 5.58 5.58 5.79 5.79 ...
 $ LCALA     : num  0.553 0.553 0.553 0.999 0.999 ...
 $ LQS1      : num  0.400 0.400 0.400 0.781 0.781 ...
 $ LRETENT1  : num  0.342 0.342 0.342 0.405 0.405 ...
 $ LHAvT     : num  0.941 0.865 1.007 0.874 0.872 ...
 $ LLakeVol  : num  6.36 6.36 6.36 6.46 6.46 ...
 $ LLakeVSA  : num  0.778 0.778 0.778 0.668 0.668 ...
 $ LHypoVol  : num  5.49 5.32 5.76 5.90 5.79 ...
 $ LHypoVSA  : num  0.455 0.389 0.549 0.625 0.629 ...
 $ LHypoThick: num  0.875 0.813 0.978 1.161 1.130 ...
 $ LVHVT     : num  -0.872 -1.035 -0.600 -0.565 -0.666 ...
 $ LWRT      : num  -0.293 -0.293 -0.293 -0.740 -0.740 ...
 $ LVTCA     : num   0.227  0.227  0.227 -0.331 -0.331 ...
 $ LVHCA     : num  -0.644 -0.807 -0.372 -0.896 -0.997 ...

> str(resp)
`data.frame':  93 obs. of  4 variables:
 $ LAHOD  : num  -0.869 -1.254 -1.220 -0.820 -1.161 ...
 $ LAHOD4C: num  -1.011 -1.354 -1.405 -0.925 -1.265 ...
 $ LVOD   : num  -1.32 -1.64 -1.77 -1.45 -1.79 ...
 $ LVOD4C : num  -1.47 -1.74 -1.95 -1.55 -1.89 ...

> library(leaps)
> lvodsub <- leaps(pred, resp$LVOD)
Warning message: 
XHAUST returned error code -999 in: leaps.exhaustive(a) 
> rm(lvodsub)
> lvodsub <- subsets(pred, resp$LVOD)
Warning message: 
XHAUST returned error code -999 in: leaps.exhaustive(a, really.big =
really.big) 


-- 
Pete St. Onge
pete at seul.org
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