On Thu, Dec 30, 2010 at 1:03 PM, bob stoner <bob.sto...@btinternet.com> wrote: > Hi > I'm trying to get to grips with R and establish R as a teaching medium in my > secondary school. I would like to use R to analyse text so I can produce > frequency analysis of the text for subsequent examination of ciphers. I can > produce code in VBA but I am struggling when writing in R to examine each > character. There must be a clear method using the vectorised format of R. > Furthermore, how do you substr a text string and reference each letter? I > can use nchar to see how many letters per string but not to select each > letter. I would prefer to remain in R and not deviate to Python etc as > getting R onto the school mainframe has been a long journey... > Many thanks > > Bob Stoner > Sleaford, Lincolnshire, UK
Google for: CRAN Task View on Natural Language Processing for an overview of the addon packages for analyzing text. -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com ______________________________________________ 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.