Thanks, that is perfect! On Thu, Sep 2, 2021 at 7:02 PM Deepayan Sarkar <deepayan.sar...@gmail.com> wrote: > > On Thu, Sep 2, 2021 at 9:26 PM Enrico Schumann <e...@enricoschumann.net> > wrote: > > > > On Thu, 02 Sep 2021, Luigi Marongiu writes: > > > > > Hello, is it possible to show only the header (that is: `'data.frame': > > > x obs. of y variables:` part) of the str function? > > > Thank you > > > > Perhaps one more solution. You could limit the number > > of list components to be printed, though it will leave > > a "truncated" message. > > > > str(iris, list.len = 0) > > ## 'data.frame': 150 obs. of 5 variables: > > ## [list output truncated] > > Or use 'max.level', which is also generally useful for nested lists: > > str(iris, max.level=0) > ## 'data.frame': 150 obs. of 5 variables: > > Best, > -Deepayan > > > Since 'str' is a generic function, you could also > > define a new 'str' method. Perhaps something among > > those lines: > > > > str.data.frame.oneline <- function (object, ...) { > > cat("'data.frame':\t", nrow(object), " obs. of ", > > (p <- length(object)), > > " variable", if (p != 1) "s", "\n", sep = "") > > invisible(NULL) > > } > > > > (which is essentially taken from 'str.data.frame'). > > > > Then: > > > > class(iris) <- c("data.frame.oneline", class(iris)) > > > > str(iris) > > ## 'data.frame': 150 obs. of 5 variables > > > > str(list(a = 1, > > list(b = 2, > > c = iris))) > > ## List of 2 > > ## $ a: num 1 > > ## $ :List of 2 > > ## ..$ b: num 2 > > ## ..$ c:'data.frame': 150 obs. of 5 variables > > > > > > > > > > -- > > Enrico Schumann > > Lucerne, Switzerland > > http://enricoschumann.net > > > > ______________________________________________ > > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code.
-- Best regards, Luigi ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.