[R] Multiple Ploting Colors

[Ken Takagi]

Richardson, Patrick <Patrick.Richardson <at> vai.org> writes:

> 
> I'm trying to use multiple plotting colors in my code. My first "ifelse"
statement successfully does what I
> want. However, now I want anything less than -4.5 to be green and the rest
black. I want another "col"
> argument but can only use one. How could I go about getting separate colors
for anything above 4.5  and less
> than -4.5?
> 
> plot(three, type="h", col=ifelse(three > 4.5, "red", "black"), xlim=c(0,500),
ylim=range(three), lwd=2,
>      xlab="Chromosome", ylab="Z-Score", font.lab=2, font=2, main="Upregulated
Genes in Patient Sample")
> 
> Thanks in advance,
> 
> Patrick
> 
> The information transmitted is intended only for the p...{{dropped:22}}