Mara Averick noticed some oddities in the mtcars data set: https://twitter.com/dataandme/status/1033341784959709184
I propose the following patch. While anyone with access to JSTOR could dig in and find this information themselves, it would seem a friendly gesture to include it ... cheers Ben Bolker =================================================================== --- mtcars.Rd (revision 75186) +++ mtcars.Rd (working copy) @@ -35,6 +35,14 @@ Building multiple regression models interactively. \emph{Biometrics}, \bold{37}, 391--411. } +\details{ +Henderson and Velleman (1981) comment in a footnote to Table 1: +\sQuote{Hocking [original transcriber]'s noncrucial coding of the +Mazda's rotary engine as a straight six-cylinder engine and the +Porsche's flat engine as a V engine, as well as the inclusion of the diesel +Mercedes 240D, have been retained to enable direct comparisons to be made +with previous analyses.} +} \examples{ require(graphics) pairs(mtcars, main = "mtcars data", gap = 1/4) ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel