[R] Plotting numeric values against non numeric items

[Jim Lemon]

On 01/09/2010 12:38 PM, lse1986 wrote:
> Hi i want do a line graph.
>
> My y axis contains numeric values. My x axis contains non numeric
> statements.
>
> This is what i want the graph to look like.
>
> When i try to plot this graph on R it comes up with the following error
> message:
>
> "Error in plot.window(...) : need finite 'xlim' values
> In addition: Warning messages:
> 1: In xy.coords(x, y, xlabel, ylabel, log) : NAs introduced by coercion
> 2: In min(x) : no non-missing arguments to min; returning Inf
> 3: In max(x) : no non-missing arguments to max; returning -Inf"
>
>    
Hi Sam,
While I don't know what you want the graph to look like, I would suggest 
the following:

xf<-factor(x)
plot(as.numeric(xf),rnorm(10),type="l",xaxt="n")
axis(1,at=1:10,labels=xf)

Jim