search for: tp4306131p4306182

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2012 Jan 18
3
Reshape with multiple aggregation functions
I have a data frame and I would like to reshape it to wide format while at the same time applying different aggregate functions to each column AND at times multiple aggregate functions:   test1 = data.frame(         id = c(rep('101',8),rep('102',8)),         phase  = rep(c('D','D','L','L'),4),         day =