Raw Message

Message-ID: <b07efbaa-70b8-ede0-eb87-98770cf4b475@xs4all.nl>
Date: 2021-02-08T17:21:46Z
From: Gerrit Draisma
Subject: Need help using lattice

David,
Is this what you are looking for?
library(lattice)
df <- expand.grid(site=c("een","twee","drie","vier","vijf"),
                  month=1:12)
df$conc <- rnorm(dim(df)[1])
dotplot(month~conc|site,data=df)

HTH Gerrit