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2012 Jul 18
2
duplicate data between two data frames according to row names
...of these 5 weather stations, containing their data. Here's an example of this file: DF1 <- data.frame(station=c("ST001","ST004","ST005"),data=c(5,2,8)) And my two other stations in this other data.frame: DF2 <- data.frame(station=c("ST002","ST003"),data=c(3,7)) I would like to add geographical coordinates of these weather stations inside these two data.frames, according to the number of the weather station. All of my geographical coordinates for each of the 5 weather stations are inside another data frame: DF3 <- data.frame(stati...