Dear list I have two different data frame the first one is like this
CLUSTER year variable value m1 2006 EC01 4 m1 2007 EC01 5 m2 2006 EC01 42 m2 2007 EC01 9 and other variables this data frame has 800 number of rows and 14 number of columns the second data frame has more or less the same structure CLUSTER year m1 2005 m1 2006 m1 2007 m2 2005 m2 2006 m2 2007 This data frame has 548833 number of rows and 18 number of columns What im trying to do is to merge the Year columns of the second data frame with the whole First data frame in order to get the following new data frame CLUSTER year variable value m1 2005 EC01 / m1 2006 EC01 4 m1 2007 EC01 5 m2 2005 EC01 / m2 2006 EC01 42 m2 2007 EC01 9 Someone could help me??? Thanks a lot ______________________________________________ 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.
