[R] Data manipulation problem

[Dieter Menne]

Bert Gunter wrote:
> 
> Yes. Don't do this.
> 
> (what you probably really want to do is fit a model with age as a factor,
> which can be done statistically e.g. by logistic regression; or
> graphically
> using conditioning plots, e.g. via trellis graphics (the lattice package).
> This avoids the arbitrariness and discontinuities of binning by age
> range.)
> 
> 

Moleps' reply: the reviewer wants it.

Dieter: Sigh. Too often have received such a request, asking for all
pairwise tests of each age groups. Applying the most generic Bonferroni
correction often ends the debate quickly.

Dieter


-- 
View this message in context: http://n4.nabble.com/Data-manipulation-problem-tp1751932p1819579.html
Sent from the R help mailing list archive at Nabble.com.