search for: poythress

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2009 Dec 28
3
apply loop - using/providing a data frame to loop over
...dual names from a single string that contains all names. My problem is not the extraction itself, but the looping over the extraction start and end points, which I try to realize with apply. #Say, I have a string with names. authors=c("Schleyer T, Spallek H, Butler BS, Subramanian S, Weiss D, Poythress ML, Rattanathikun P, Mueller G") #Since I only want the surname and the initial of the first name, I create respective indices starts=c(1, 13, 24, 35, 50, 59, 73, 90) ends=c(10, 21, 31, 47, 56, 69, 87, 98) #Now I can extract the names, e.g. the third one, with substr(authors,start=starts[3],...