[R] bargraph.ci - CI and color question.

[Manuel Morales]

On Tue, 2009-11-03 at 03:51 -0600, Michael Just wrote:
> Hello,
> When using bargraph.CI in package sciplot can the bars for each group
> be different colors?  How do I select the color for each group?

With the option err.col

bargraph.CI(dose, len, group = supp, data =ToothGrowth,
err.col=c("gray","black"))

> When I use this instead of the default (SD vs SE):
> 
> bargraph.CI(x.factor = dose, response = len, data = ToothGrowth,
> 
>                ci.fun= function(x) c(mean(x)-sd(x), mean(x) + sd(x)) )
> 
> 
> Am I getting 95% CI bars?

No. You're plotting +/- 1 SD.
> 
> Thank you kindly,
> Michael Just
> 
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