Re: [R] lattice: drawing strips for single-panel plots

From: Dieter Menne <>
Date: Sat, 05 Mar 2011 01:48:13 -0800 (PST)

John G. Bullock-2 wrote:
> The strip argument to panel.xyplot seems to be ignored for single-panel
> plots. Here is an example:
> data(Chem97, package = "mlmRev")
> myStrip <- function(...) { ltext(.5, .5, 'strip text') }
> densityplot(~ gcsescore, data = Chem97, strip=myStrip)
> The figure is printed with no strip.

The workaround is to give it a one-level factor:

data(Chem97, package = "mlmRev")
Chem97$what = as.factor("strip text")
densityplot(~ gcsescore|what, data = Chem97)

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