Re: [R] Two dependent variables in formula

2008-01-09 Thread Alberto Murta
On Wednesday 09 January 2008 1:57 pm, Carla Rebelo wrote: > Hello, > > I' m trying to change the formula in the rpart function. The > format of a general formula is Answer ~ expression, where Answer is > the dependent variable and expression is set of terms containing the > independent variabl

Re: [R] median value dataframe coming from multiple dataframes

2007-10-23 Thread Alberto Murta
See if this solves your problem: dataframe1 <- as.data.frame(matrix(runif(3*300), 3, 300)) dataframe2 <- as.data.frame(matrix(runif(3*300), 3, 300)) dataframe3 <- as.data.frame(matrix(runif(3*300), 3, 300)) dataframe4 <- as.data.frame(matrix(runif(3*300), 3, 300))