try
?expand.grid
boxplot formula can take can be like >boxplot(V~Groupe)
----- Message d'origine ----
De : Bernd Dittmann
À : r-help@stat.math.ethz.ch
Envoyé le : Samedi, 15 Avril 2006, 7h26mn 47s
Objet : [R] manual construction of box&whisker plot
Dear useRs,
how can I construct a box&whisker plot based on the vector "fivenum"?
The challenge I face is as follow: I have a table such as
x | fivenum
---------------
... | (.....)
... | (.....)
and so forth....
For each observation x I have generated a vector containing the fivenum
estimates.
The first challenge is to group my fivenum vectors into groups based on
a selection criterion of x, say for 0 < x < 6, all fivenum vectors would
be collected in that group.
Once all my fivenum vectors are in their respective groups, I wish to
generate a b&w plot for each group.
How could I possibly do that? Also, what would be the most convenient
approach.
Looking forward to your suggestions.
Many thanks in advance!
Sincerely,
Bernd Dittmann
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