Dear R community,

Since upgrading to R v.2.6.1 and re-installing package Hmisc (binary  
for Mac OS X v.3.4-3), I have been getting a error when trying to  
make xYplots:

 >plotcv<-c(34.88, 41.51, 45.81, 51.05, 51.66)
 >plotcv.se<-c(2.406551, 3.071291, 4.331407, 3.213873, 4.838150)
 >month<-c(6, 7, 8, 9, 10)
 >library(Hmisc)
  >xYplot(Cbind(plotcv, plotcv + plotcv.se, plotcv - plotcv.se)  ~  
month)

Error in xyplot.formula(formula = Cbind(plotcv, plotcv + plotcv.se,  
plotcv -  :
   argument "x" is missing, with no default

I've used xYplots extensively in the past with no problems.

I am using Mac OS X.4.10 (Tiger).

 >version
platform       powerpc-apple-darwin8.10.1
arch           powerpc
os             darwin8.10.1
system         powerpc, darwin8.10.1
status
major          2
minor          6.1
year           2007
month          11
day            26
svn rev        43537
language       R
version.string R version 2.6.1 (2007-11-26)



Any help would be greatly appreciated!

Thank you,

Erin


Erin Berryman
Graduate Student
Department of Forest Resources
University of Idaho
Moscow, ID 83843
208-559-5705


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