search for: ropicapogna1999

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2005 Oct 10
1
labels of a conditioning variable in xyplot
...yplot with a single conditioning variable (8 levels) . Here is the code for the conditioning variable used in the formula argument of xyplot: factor( drugauthoryear, levels = c( 'bupicapogna1999', 'levobenhamou2003', 'ropicapogna1999', 'ropipolley1999', 'bupipolley1999', 'levopolley2003', 'ropibenhamou2003', 'ropipolley2003' ), labels = c( 'Bupi. Reference 2.', 'Levo. Reference 4...