Re: [R] Need help using lattice

Thanks. What editor do you use? I'm working in a Mac, if that makes a difference. From: Gerrit Draisma Date: Tuesday, February 9, 2021 at 5:10 PM To: Parkhurst, David F. Cc: r-help@r-project.org Subject: Re: [R] Need help using lattice Ha David, I do not know. It must be that your Apr

Re: [R] Need help using lattice

    labels=AprToDec, ordered=TRUE)) I get + signs in front of monames and labels, again as expected, but then it gives me another + sign. And if I try to add another ), it keeps giving me + signs. What is happening here? From: Gerrit Draisma Date: Tuesday, February 9, 2021 at 6:14 AM To: Park

Re: [R] Need help using lattice

Thank you. From: Gerrit Draisma Date: Tuesday, February 9, 2021 at 6:14 AM To: Parkhurst, David F. Cc: r-help@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 variable: library

[R] Need help using lattice

I have a dataframe comprising a vector of E. coli concentrations, a vector of months when the samples were taken, and a vector of sampled sites. I�d like to produce a lattice with sites along the horizontal axis, and months on the vertical. Each site-month box would then contain concentrations

Re: [R] aggregate(), with multiple functions in FUN?

You might want to look at the summaryBy function in the doBy package summaryBy(varname ~ zip, data=DATA,FUN=c(mean,median) David Freedman Mike ! wrote: > > > > I've got a data frame having numerical data by zip code: > > ZIP DATA > 94111 12135.545 > 93105 321354.65654 > 941