[R] sum in vector
hy guys i have one question :) i have two vectors markets and price market <- c(1, 5, 7, 9, 9, 6, 5, 4, 4, 3, 1, 2, 1) price <- c(100, 20, 30, 10, 50, 23, 23, 33, 96, 6, 4, 38, 96) i would like sum prices: market 1: (100+4+96), market 2: (38),..., market 9: (10+50) ao i would like get this result: (200, 38, ..., 60) and i don't wanna use while, for loops... is there any other function to sum these :) tnx for helping ;) -- View this message in context: http://r.789695.n4.nabble.com/sum-in-vector-tp3041661p3041661.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.
Re: [R] sum in vector
thx all for help this function works fine aggregate(price,list(market),sum) i also find another one sapply(x, function) -- View this message in context: http://r.789695.n4.nabble.com/sum-in-vector-tp3041661p3042089.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.
[R] library(datasets)
## i have one question anouth this package.. library(datasets) eurodist ## if i type this i get max distance between european cities > max(eurodist) [1] 4532 ## but i would like get something like this: 4532 Gilbratar - Anthens ## and another one.. ## if a live in barcelona and i would like travel in all cities ## how can i get sum of all distance to other cities... i try sapply(eurodist["Barcelona"], sum) ## and rowSums(eurodist["Barcelona",]) and it doesn't working.. tnx for helping ;) -- View this message in context: http://r.789695.n4.nabble.com/library-datasets-tp3050497p3050497.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.
