[R] superimposing xyplots on same scale

[baptiste auguie]

Hi,

try ?as.layer in the latticeExtra package.

HTH,

baptiste

2009/9/24 Larry White <ljw1001 at gmail.com>:
> I have two xyplots that i want to superimpose (code below).  By default they
> are displayed on slightly different y scales (one runs from 10 to 25, the
> other from 10 to 30). I would like to force them both onto the same scale
> (10 to 30) so the relation between the two is clear. Is there a way to do
> this?
> thanks much
>
>
> pct_compl_chart <- xyplot(pct_compl ~ date,
> col="red",
> type="b",
> pch=15,
> scalse=list(tick.number=5),
> ylab=list(label="Pct. Compl."),
> layout=c(1,5),
> xlab=list(label=""),
> between = list(x = c(0, 0, 0), y = c(8,-10,-10,-10,-10))
> )
>
> time_pct_chart <- xyplot(time_pct ~ date,
> col="blue",
> type="b",
> pch=15,
> scales=list(tick.number=5),
> ylab=list(label=""),
> layout=c(1,5),
> xlab=list(label=""),
> between = list(x = c(0, 0, 0), y = c(8,-10,-10,-10,-10))
> )
>
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