[R] Need help using lattice

Parkhurst, David F. p@rkhur@ @end|ng |rom |nd|@n@@edu
Tue Feb 9 17:35:03 CET 2021

Thank you.

From: Gerrit Draisma <gdraisma using xs4all.nl>
Date: Tuesday, February 9, 2021 at 6:14 AM
To: Parkhurst, David F. <parkhurs using indiana.edu>
Cc: r-help using r-project.org <r-help using r-project.org>
Subject: Re: [R] Need help using lattice
Ha David,
Thanks for your reply.
For your last question, you have to change month into an ordered factor

df <- expand.grid(site=c("een","twee","drie","vier","vijf"),
                               labels=month.abb, ordered=TRUE))
df$conc <- rnorm(dim(df)[1])

HTH, Gerrit

Op 08-02-2021 om 21:04 schreef Parkhurst, David F.:
> That worked nicely;  thanks again.  Here�s what I used for our data:
> library(lattice)
> df <-
> expand.grid(site=c("CrCr","NFSC","MFSC","SFSC","LMO","MCE","MUE","MLE","MoCe"),months=1:9)
> dotplot(months~conc | site, data=df)
> The result is attached.  Is there a way to replace the month numbers on
> the y axes with the names Apr-Dec?
> David

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