Hi, As far as I can tell, I don't think the function 'summary()' will accept the 'data=' argument: see help(summary). Probably the reference you're mentionning (Andrews *Doing Data Science in R*) is about another function but not summary().
Olivier. On Fri, 3 Oct 2025 19:54:42 -0400 R Jerome Anderson <[email protected]> wrote: > I can code summary(midterm_df$hv109) and I get the summary of variable > hv109. No problem. > > Yet when I write the code: > > summary(hv109, data = midterm_df) > > I get this error: > > Error in h(simpleError(msg, call)) : error in evaluating the argument > 'object' in selecting a method for function 'summary': object 'hv109' > not found > > If I write the code summary('hv109', data = midterm_df), R treats > hv109 as if it were a character variable. It is not. > > Page 521 in Andrews *Doing Data Science in R* shows the data = [df] > command. I thought it was straightforward. Why doesn't my code work? > > Any help w/ this would be appreciated. > > -- Jerome Anderson > > [[alternative HTML version deleted]] > > ______________________________________________ > [email protected] mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > https://www.R-project.org/posting-guide.html and provide commented, > minimal, self-contained, reproducible code. -- Olivier Crouzet, PhD http://olivier.ghostinthemachine.space /Maître de Conférences/ @LLING - Laboratoire de Linguistique de Nantes UMR6310 CNRS / Université de Nantes ______________________________________________ [email protected] mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide https://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.

