search for: mydatasum

Displaying 1 result from an estimated 1 matches for "mydatasum".

2012 Jan 01
1
How to pass in a list of variables as an argument to a function?
...nction below with an object? myData = transform(myData, groupVar = paste(varA, varB, varC, sep = " | ")) # Sum the data by the same groupVars and two other variables # Question 2: ?Is there a way to replace "varA + varB + varC" in the function below and do the same aggregation? myDataSum <- aggregate(cbind(pass, fail) ~ varA + varB + varC + groupVar + varD, data = myData, sum) # pivot the pass and fail quantity to one row per group, ?labelling them # Question 3: ?This one actually works. ?idvar happily accepted the vector of group vars. ?Better way? myDataSum <- reshape(myDa...