[R] merge more than two tables

Gabor Grothendieck ggrothendieck at myway.com
Thu Apr 8 01:26:49 CEST 2004


The version 0.1-2 of the zoo package, which should be on CRAN shortly,
supports multiway merges of zoo objects.   

Christian Schulz <ozric <at> web.de> writes:

: 
: Hi 
: 
: have anybody a hint how i could merge  i.e.  10 data.frames togehter.
: Ok i could do one merge after another but perhaps with few coding exist a 
: better way?
: 
: system.time(dm1 <- merge(Base,sub1 ,by.x 
="MEMBERNO",by.y="MEMBERNO",all.x=T))
: system.time(dm2 <- merge(dm2,sub2,by.x="MEMBERNO",by.y="MEMBERNO",all.x=T))
: system.time(dm3 <- merge(dm2,sub3,by.x="MEMBERNO",by.y="MEMBERNO",all.x=T))
: ....................
: 
: many thanks , christian




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