[R] Question about dotplot
Peter Dalgaard BSA
p.dalgaard at biostat.ku.dk
Sun Nov 29 21:19:38 CET 1998
Norm Josephy <NJOSEPHY at bentley.edu> writes:
> This groups components a,b,c,d,e,p, then a break, then
> components q,r,s,t, then a break, then f to o, then a break,
> then u to z. The G1 label is aligned at the same level as
> the d entry, and the G2 label is aligned with the m entry.
>
> Does this make sense?
Happens on Unix too, and no: it doesn't make sense...
I believe the blunder is in here:
else {
o <- rev(order(as.numeric(groups)))
x <- x[o]
groups <- groups[o]
offset <- cumsum(c(0, diff(as.numeric(groups)[o]) !=
0))
y <- 1:n + 2 * offset
ylim <- range(0, y + 2)
}
groups is getting ordered *twice* there. Dropping the [o] in the
diff() makes the extra gaps go away, but now the group labels look
wrong. Oh, well.
--
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
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