[R] vector w/o arithmetic addition for boxplot

[Uwe Ligges]

On 15.05.2012 23:47, rl269 wrote:
> Hello,
>
> I am having trouble  asking R to read individual numeric vectors for a box
> plot of the residuals of a linear regression.  It is performing arithmetic
> addition on the 16 individual variables that I want individual box plots
> for.
>
> I have 16 race*treatment variables that were created from cleaned
> data.frames for race and treatment independently: t1W, t1B.....t4W, t4B,
> t4H, t4O.
>
> class(t1W) produces "numeric" (1000 observations of 1's and 0's)
>
> To create the box plot I am using
> boxplot(residuals(IRR)~ treatRace_clean)
>
> where I have tried treatRace_clean as both of the following
> treatRace_clean<- as.factor(as.vector(t1W + t1B + t1H + t1O + t2W + t2B +
> t2H + t2O + t3W + t3B +
> 	t3H + t3O + t4W + t4B + t4H + t4O))
> treatRace_clean<- as.vector(c(t1W, t1B ,t1H ,t1O, t2W , t2B ,t2H ,t2O ,t3W
> , t3B,
> 	t3H + t3O , t4W , t4B , t4H , t4O))


Actually, I have no idea what you are really aiming at, reproducible 
code and a precise description would help a lot.

Uwe Ligges

> However, I continue to get this error code:
> Error: $ operator is invalid for atomic vectors
>
> Thoughts?
>
> --
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