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Hi, Is there a way to use regular expressions to capture two or more words in a sentence? For example, I wish to to find all the lines that have the words "thomas", "perl", and "program", such as "thomas uses a program called perl", or "perl is a program that thomas uses", etc. I'm sure this is a very easy task, I would greatly appreciate

Dears, anyone has experiences with text mining and R? I'll be very greatfull for tutorial or examples. Thanks -- Daniele Medri - http://www.medri.org

See: http://wwwpeople.unil.ch/jean-pierre.mueller/ ttda - tools for textual data analysis Regards Vito you wrote: Hi, Does a text miner exist in R-language similar to Splus miner or SAS text miner? I would appreciate any information. TIA, Aldi ===== Diventare costruttori di soluzioni Became solutions' construc...

Dear R-user, Could anybody tell me of the key difference between data mining and text mining? Please make a list for packages about data/text mining. And give me an example of text mining with R (any relating materials will be highly appreciated), because a vignette written by Ingo Feinerer seems too concise for me. Thanks _____________________________________________ Dr.Ruixin ZHU Shanghai

Dear useR, Just wandering whether it is possible that there is any function in R could let me get the text contents for a certain website. Thanks a lot! Best, Leon [[alternative HTML version deleted]]

Hello, I'm trying to use the package ttda, wich is involved in text analysis, for my own data about answers in a company survey. I've installed it, as well as ispell, but when trying to use an example: > zz <- file("stupid.txt", "w") # build a data file > cat("{comment - stupid data file} \n" , file = zz) > cat("<uci=1>

Dear R-help, This one is probably a piece of cake for regexp masters. I'd like to split a character vector (for simplicity, say of length one for now) that contains fields that are delimited by arbitrary number of white spaces (e.g., " a b c "). How do I get the character vector that contain the fields? In the example I gave, I've tried: > strsplit(" a b c