They appear to be technical terms relevant to fertility. You should probably ask someone with a background in medicine... or Google for these terms in conjunction with the word "fertility". --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity.
On February 1, 2014 5:57:37 PM PST, "Aziz, Muhammad Fayez" <az...@illinois.edu> wrote: >Hi, > > > >I wanted to know what the following columns mean in the "infert" >dataset: > > > >parity count >matched set number 1-83 >stratum number 1-63 > > > >Thank you, > >Fayez > >Urbana, IL, USA > > [[alternative HTML version deleted]] > >______________________________________________ >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. ______________________________________________ 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.