Prof Brian Ripley wrote: > >> I would like to know the created time and date of specific object. >> Is there any function for it? > > There isn't even the concept. Most objects in R are a collection of > SEXPRECs created at different times. Suppose you create a data > frame out of existing columns, and then later change the names? What > does 'created' mean for the data frame? > > In any case, none of the possibly relevant date-times is stored. > I imagine that it could be possible to create a class that would store the "creation time" of its objects... but I have no idea how to do it (I think I could do it in C++, but I am illiterate in R++ oops S4 classes).
Alberto Monteiro ______________________________________________ R-help@r-project.org mailing list 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.
