> A couple of suggestions: > - In general, I would add corresponding R input and output just beneath the > "visual" display of what happens, so that readers can try it in R and see > what happens.
Yes, it lacks something like that. Perhaps a first line which copy the concrete code evaluated. > - P. 1, para. 1: ... have a common mode, one of character, logical, and > numeric (to match the order of visual items). > > - P. 3, para. 4: The character mode always wins. Logical always looses. > > - P. 5, para. 11: A little sentence explaining nchar() would be useful. > Something like: "Count the number of characters in each string:" > > - P. 6, para. 14.1: again, a little explanation: "Matrices are filled by > columns by default :" ... "But you can change it :" > > - P. 7, para. 14.2: "Matrices have two dimensions and you must provide > extractors for each of them. You first extract the rows, then the columns." Thanks! I have corrected all that. > - P. 9: you use merge() that creates a list, before introducing what a list > is... This is confusing. Well, it creates a data.frame I think, and data.frame aren't handled yet (they are seen as list)... I need a graphical convention for data.frame and for factor. I'm wondering also how to represent functions that need a *symbol* as one of the arguments, for instance > > - P. 11, para. 16.1: you use regular expressions without introducing what it > is. No R beginner that has not done serious programming knows what a "Regexp" > is. Well, this is right, but there is a mix of different logics. At the beginning, it was supposed to include very few text, to stress general principles of the langage, and to be like a reference card for quickly checking the behavior of a method. For instance, which column names are preserved by cbind? The first matrix column names or the second? etc. But the document is becoming rather an introductory text. > (P.S.: Juste après avoir écrit tout ceci, je me rend compte que tu travailles > à l'Université de Caen. Je suis passé par là: j'ai mis en place les nouvelles > infrastructures d'élevage d'oursins à la Station Marine de Luc-sur-mer il y a > une quinzaine d'années de cela. J'y fais de la linguistique de corpus, mais précairement ! Regards, Sylvain -- Sylvain Loiseau sylvain.lois...@unicaen.fr Université de Caen Basse Normandie Maison de la Recherche en Sciences Humaines MRSH - SH018 Esplanade de la Paix Campus 1 14032 Caen Cedex ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
