R version 3.0.2 (2013-09-25) -- "Frisbee Sailing"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: i686-pc-linux-gnu (32-bit)

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> x <- array(list('SMK',4,'SMK',5,'SMK',3,'SMK',4,'SMK',5,'SMK',3,'SMK',7,'SMK',5,'SMK',6,'SMK',3,'SMK',2,'SMK',4,'SMK',5,'SMK',2,'SMK',3,'SMK',6,'SMK',4,'SMK',4,'SMK',6,'SMK',2),dim=c(2,20),dimnames=list(c('Status','Rating'),1:20))
>  y <- array(NA,dim=c(2,20),dimnames=list(c('Status','Rating'),1:20))
>  for (i in 1:dim(x)[1])
+  {
+  	for (j in 1:dim(x)[2])
+  	{
+  		y[i,j] <- as.numeric(x[i,j])
+  	}
+  }
There were 20 warnings (use warnings() to see them)
> par5 = 'Rating'
> par4 = 'Status'
> par3 = '0'
> par2 = 'TRUE'
> par1 = 'grey'
> ylab = 'Rating'
> xlab = 'Status'
> main = 'Curry data'
> par5 <- 'Rating'
> par4 <- 'Status'
> par3 <- '0'
> par2 <- 'TRUE'
> par1 <- 'grey'
> #'GNU S' R Code compiled by R2WASP v. 1.2.291 ()
> #Author: aston2
> #To cite this work: Ian E. Holliday, 2012, Histogram and QQplot (v1.0.6) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/Ian.Holliday/rwasp_Reddy-Moores%20Data%20Boxplot.wasp/
> #Source of accompanying publication: 
> #
> postscript(file="/var/wessaorg/rcomp/tmp/1txj71384735541.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> par2<- as.logical(par2) # notches
> par3<-as.numeric(par3) # percentage trim
> if(par3>45){par3<-45;warning('trim limited to 45%')}
> if(par3<0){par3<-0;warning('negative trim makes no sense. Trim is zero.')}
> par4 <- as.numeric(par4) #factor column
Warning message:
NAs introduced by coercion 
> par5 <- as.numeric(par5) # response column
Warning message:
NAs introduced by coercion 
> x <- t(x)
> x1<-as.numeric(x[,par5]) # response
Error: (list) object cannot be coerced to type 'double'
Execution halted