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(4,'SMK','hot',5,'SMK','hot',3,'SMK','hot',4,'SMK','hot',5,'SMK','hot',3,'SMK','hot',7,'SMK','hot',5,'SMK','hot',6,'SMK','hot',3,'SMK','hot',2,'SMK','hot',4,'SMK','hot',5,'SMK','hot',2,'SMK','hot',3,'SMK','hot',6,'SMK','hot',4,'SMK','hot',4,'SMK','hot',6,'SMK','hot',2,'SMK','hot'),dim=c(3,20),dimnames=list(c('Rating','Smk/Non','Spiciness'),1:20))
>  y <- array(NA,dim=c(3,20),dimnames=list(c('Rating','Smk/Non','Spiciness'),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 40 warnings (use warnings() to see them)
> par4 = 'TRUE'
> par3 = ''
> par2 = ''
> par1 = ''
> ylab = 'Rating of curry spice'
> xlab = 'Smoker status'
> main = 'Effect of smoking status on spiciness'
> par4 <- 'TRUE'
> par3 <- ''
> par2 <- ''
> par1 <- ''
> #'GNU S' R Code compiled by R2WASP v. 1.2.291 ()
> #Author: aston2
> #To cite this work: Ian E. Holliday, 2012, Two-Way ANOVA (v1.0.3) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/Ian.Holliday/rwasp_Two%20Factor%20ANOVA.wasp/
> #Source of accompanying publication: 
> #
> cat1 <- as.numeric(par1) #
> cat2<- as.numeric(par2) #
> cat3 <- as.numeric(par3)
> intercept<-as.logical(par4)
> x <- t(x)
> x1<-as.numeric(x[,cat1])
Error: (list) object cannot be coerced to type 'double'
Execution halted