[R] multiple instance learning

Hi all, know somebody a package for R where are implemented multiple instance learning algos? I've just checked the forum, but couldnt find anythink... thanks in advance -- View this message in context: http://r.789695.n4.nabble.com/multiple-instance-learning-tp3455505p3455505.html Sent from

Re: [R] grouping and counting in dataframe

have nobody any idea? i have already try with tapply(d,gr, ... ) but i have problems with the choose of the function ... also i am not really sure if that is the right direction with tapply ... it'll be really great when somebody comes with new suggestion.. 10x -- View this message in context

Re: [R] grouping and counting in dataframe

sry, new try: tm<-c(12345,42352,12435,67546,24234,76543,31243,13334,64562,64123) gr<-c(1,3,1,2,2,4,2,3,3,3) d<-data.frame(cbind(time,gr)) where tm are unix times and gr the factor grouping by i have a skalar for example k=500 now i need to calculate in for every row how much examples in the g

[R] grouping and counting in dataframe

hi all, i have a little problem, i have some code writen, but it is to slow... i have a dataframe with a column of time series and a grouping column, really there is no metter if in the first col what kind of data is, it can be a random number like this x<-rnorm(10) gr<-c(1,3,1,2,2,4,2,3,3,3) x

Re: [R] means, SD's and tapply

Hi Christopher, i think you have the same problem like me today :) see this http://r.789695.n4.nabble.com/group-by-in-data-frame-tc3324240.html post i think you can find there the solution zem -- View this message in context: http://r.789695.n4.nabble.com/means-SD-s-and-tapply

Re: [R] group by in data.frame

ok, i have it - match() 10x all again! :) -- View this message in context: http://r.789695.n4.nabble.com/group-by-in-data-frame-tp3324240p3325269.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing list http

Re: [R] group by in data.frame

hi guys, many many thanks for all the solutions! :-D they are working great! i have another "little" question: i would like to save these groups in a new column with serial number like the solution from David, but wit integer values: 1,2,3... i do this allready but with my 1. solution and there

Re: [R] group by in data.frame

Yeah, you are right i want to post an short example what i want to do .. and in the meantime i solved the problem ... but here is: i have something like this dataframe: c1<-c(1,2,3,2,2,3,1,2,2,2) c2<-c(5,6,7,7,5,7,5,7,6,6) c3<-rnorm(10) x<-cbind(c1,c2,c3) > x c1 c2 c3 [1,] 1 5

Re: [R] group by in data.frame

10x i solved it ... mein problem was that i had 2 column by them i have to group, i just "pasted" the values together so that at the end i have one column to group and then was easy ... here is the script that i used: http://tolstoy.newcastle.edu.au/R/help/06/07/30184.html Ivan thanks for the hel

Re: [R] group by in data.frame

Hi Ivan, thanks for your replay! but the problem is there that the dataframe has 2 rows and ca. 2000 groups, but i dont have the column with the groupnames, because the groups are depending on 2 onother columns ... any other idea or i didnt understand waht are you posted ... :( -- View th

Re: [R] select element from vector

Hi Jessica, try this: Q[k:c(k+3)] -- View this message in context: http://r.789695.n4.nabble.com/select-element-from-vector-tp3323725p3324286.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing list https://s

[R] group by in data.frame

Hi all, i have a little problem, and i think it is really simple to solve, but i dont know exactly how to. here is the "challange": i have a data.frame with n colum, i have to group 2 of them and calculate the mean value of the 3. one. so far so good, that was easy - i used aggregate function to

Re: [R] regex

10x Henrique! it works great bur i need tha same with gsub, i want to replace the matched string... :/ another idea? -- View this message in context: http://r.789695.n4.nabble.com/regex-tp3306635p3307114.html Sent from the R help mailing list archive at Nabble.com. __

Re: [R] regex

OK I have strings like these: AGDHA!jdbsah/dsgadg#dasdwq*dsad and etc. the first one must be mathced and these in the <> not -- View this message in context: http://r.789695.n4.nabble.com/regex-tp3306635p3306858.html Sent from the R help mailing list archive at Nabble.com. __

[R] regex

HI all, i know that isn't the typically regex-forum but i need help to create one regex in R . it will be great when someone can help me. ok, i need a regex that match [:graph:] but ignores that strings they starts off with "<" and ends in ">" thanx in advance -- View this message in context: