Please take the advice of Berend if you ever want to get help here. Also, you will need to do some basic and initial work yourself; read what he suggested, use Google to search keywords, and see great help like this:
http://cran.r-project.org/doc/contrib/Short-refcard.pdf also, use the built in help pages by using a question mark like this: ?min ?max ?ifelse ?cumsum Good luck; don't let a sharp learning curve stop you from learning R. Anna23 wrote > I am a Biologist and a beginner, please help me to solve this: please > anyone..its my homework and I dont have a clue abt R yet.. > Write a function which does the following tasks: > > (a) Calculates minimum and maximum value of a given argument x. > (b) If x is positive, some new vector gets the value of TRUE, and FALSE > otherwise. > (c) Creates a vector where the i:th and (i-1):th values of x are always > summed. First value of > the new vector has the same value as the first component of x. Use the > created function to > some vector x to show that the function works. -- View this message in context: http://r.789695.n4.nabble.com/Biologist-R-learner-tp4650044p4650066.html Sent from the R help mailing list archive at Nabble.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.