R version 2.9.0 (2009-04-17)
Copyright (C) 2009 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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Type 'license()' or 'licence()' for distribution details.

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Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
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Type 'q()' to quit R.

> x <- c('1280x1024'
+ ,'1024x768'
+ ,'1120x700'
+ ,'1024x768'
+ ,'1280x800'
+ ,'1280x1024'
+ ,'1280x800'
+ ,'1024x768'
+ ,'1280x800'
+ ,'1280x1024'
+ ,'1280x800'
+ ,'1280x800'
+ ,'1280x1024'
+ ,'1688x949'
+ ,'1440x900'
+ ,'1600x1200'
+ ,'1280x800'
+ ,'1280x800'
+ ,'1280x768'
+ ,'1176x735'
+ ,'1280x800'
+ ,'1503x845'
+ ,'1440x900'
+ ,'1366x768'
+ ,'1280x768'
+ ,'1024x768'
+ ,'1280x800'
+ ,'2560x1440'
+ ,'1280x768'
+ ,'1024x768'
+ ,'1280x1024'
+ ,'1280x800'
+ ,'1440x900'
+ ,'1280x800'
+ ,'1440x900'
+ ,'1024x768'
+ ,'1440x900'
+ ,'1143x857'
+ ,'1280x800'
+ ,'1440x900'
+ ,'1280x800'
+ ,'1366x768'
+ ,'1024x768'
+ ,'1408x880'
+ ,'1366x768'
+ ,'1176x735'
+ ,'1920x1200'
+ ,'1257x785'
+ ,'1280x800'
+ ,'1280x800'
+ ,'1440x900'
+ ,'1680x1050'
+ ,'1440x900'
+ ,'1024x768'
+ ,'1140x641'
+ ,'1280x1024'
+ ,'1280x800'
+ ,'1280x800'
+ ,'1280x800'
+ ,'1280x800'
+ ,'1440x900'
+ ,'1280x800'
+ ,'1152x864'
+ ,'1280x1024'
+ ,'1280x800'
+ ,'1440x900'
+ ,'1280x800'
+ ,'1280x1024'
+ ,'1440x900'
+ ,'1280x800'
+ ,'1280x800'
+ ,'1440x900'
+ ,'1280x800'
+ ,'1280x1024'
+ ,'1600x900'
+ ,'1024x768'
+ ,'1366x768'
+ ,'1280x800'
+ ,'1280x800'
+ ,'1440x900'
+ ,'1366x768'
+ ,'1280x800'
+ ,'1024x768'
+ ,'1280x800'
+ ,'1440x900'
+ ,'1280x800'
+ ,'1280x800'
+ ,'1408x880'
+ ,'1280x800'
+ ,'1600x900'
+ ,'1600x900'
+ ,'1680x1050'
+ ,'1440x900'
+ ,'1440x900'
+ ,'917x550'
+ ,'1280x800'
+ ,'1760x990'
+ ,'1280x800'
+ ,'1280x800'
+ ,'1280x800'
+ ,'1024x768'
+ ,'1366x768'
+ ,'1440x900'
+ ,'1280x800'
+ ,'1280x1024'
+ ,'1920x1080'
+ ,'1024x768'
+ ,'1024x768'
+ ,'1600x900'
+ ,'1117x698'
+ ,'1440x900'
+ ,'983x737'
+ ,'1024x768'
+ ,'1024x640'
+ ,'1280x800'
+ ,'1440x900'
+ ,'1280x800'
+ ,'1280x800'
+ ,'1280x800'
+ ,'1440x900'
+ ,'1280x800'
+ ,'1024x768'
+ ,'1024x768'
+ ,'1152x864'
+ ,'1280x768'
+ ,'1024x768'
+ ,'1366x768'
+ ,'1680x1050'
+ ,'1680x1050'
+ ,'1280x800'
+ ,'1366x768'
+ ,'1024x768'
+ ,'1440x900'
+ ,'1024x768'
+ ,'1280x800'
+ ,'1280x800'
+ ,'1280x800'
+ ,'1024x768'
+ ,'1280x800')
> par3 = '1e-08'
> par2 = '80'
> par1 = '1'
> #'GNU S' R Code compiled by R2WASP v. 1.0.44 ()
> #Author: Prof. Dr. P. Wessa
> #To cite this work: AUTHOR(S), (YEAR), YOUR SOFTWARE TITLE (vNUMBER) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #Technical description: Write here your technical program description (don't use hard returns!)
> par1 <- as.numeric(par1)
> par2 <- as.numeric(par2)
> par3 <- as.numeric(par3)
> stem(x,par1,par2,par3)
Error in stem(x, par1, par2, par3) : 'x' must be numeric
Execution halted