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johnata
2012 Aug 23
1
Extracting data from dataframe with tied rows
Hi R help,
I'm a fairly experienced R user but this manipulation has me stumped, please
help:
DATA
id<-rep(LETTERS[1:5],20)
distance<-rnorm(1:100, mean = 100)
bearing<-sample(1:360,100,replace=T)
month<-sample(1:12,100,replace=T)
I have a dataset with records of individuals (id) , each with a distance
(distance) & direction (bearing) recorded for each month (month).
I want