Murray Pung wrote:
Is it possible to add standard error bars to the means on interaction plots?
Not with interaction.plot(), as far as I know. You might consider the
effects package by John Fox. For example:
with(ToothGrowth, interaction.plot(dose, supp, len))
ToothGrowth$dose -
On Fri, 2006-11-17 at 05:21 -0500, Chuck Cleland wrote:
Murray Pung wrote:
Is it possible to add standard error bars to the means on interaction plots?
Not with interaction.plot(), as far as I know. You might consider the
effects package by John Fox. For example:
Another possibility is