search for: label01

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2002 Oct 25
1
merge: How to preserve the original order?
...- data.frame( id = c( 'A1', 'C2', 'B3' ) , ref = c( 'Ref1', 'Ref2' ,'Ref1' ) , val = c( 1.11, 2.22, 3.33 ) ) x.labels <- data.frame( ref = c( 'Ref1', 'Ref2' ) , label = c( 'Label01', 'Label02' ) ) merge( x.vals, x.labels, by='ref', all.x = T, sort=F ) I received: ref id val label 1 Ref1 A1 1.11 Label01 2 Ref1 B3 3.33 Label01 3 Ref2 C2 2.22 Label02 Alltough 'sort=F' is set, the original order: id = A1...
2012 Jan 15
0
patching ?merge to allow the user to keep the order of one of the two data.frame objects merged
...) && any(keep_order == c(1,2))) return(order.by.id... and.remove.it(res)) res } ############################# ########## Example ############################# if(F) # example { x <- data.frame( ref = c( 'Ref1', 'Ref2' ) , label = c( 'Label01', 'Label02' ) ) y <- data.frame( id = c( 'A1', 'C2', 'B3', 'D4' ) , ref = c( 'Ref1', 'Ref2' , 'Ref3','Ref1' ) , val = c( 1.11, 2.22, 3.33, 4.44 ) ) x y merge( x, y, by...