Re: [R] Select rows based on multiple comparisons

2012-01-16 Thread Felipe Nunes
Thanks, everybody! *Felipe Nunes* CAPES/Fulbright Fellow PhD Student Political Science - UCLA Web: felipenunes.bol.ucla.edu On Mon, Jan 16, 2012 at 2:33 PM, Marc Schwartz wrote: > > On Jan 16, 2012, at 4:13 PM, Felipe Nunes wrote: > > > Dear all, > > > > I have a data set in which the same un

Re: [R] Select rows based on multiple comparisons

2012-01-16 Thread Marc Schwartz
On Jan 16, 2012, at 4:13 PM, Felipe Nunes wrote: > Dear all, > > I have a data set in which the same unit appears 2 or 3 or 4 times. I need > to aggregate this data to maintain only one unit by row. But I need to do > that based on a comparison between the values of such units. I can't find a >

Re: [R] Select rows based on multiple comparisons

2012-01-16 Thread Jorge I Velez
Hi Felipe, Try x <- structure(list(Units = c(1L, 1L, 2L, 2L, 2L, 3L, 3L, 4L, 4L, 4L), Var1 = structure(c(2L, 3L, 4L, 3L, 1L, 3L, 1L, 2L, 3L, 1L ), .Label = c("A", "B", "C", "D"), class = "factor"), Var2 = c(2L, 1L, 3L, 2L, 1L, 2L, 1L, 3L, 2L, 1L), Var3 = c(2L, 3L, 3L, 1L, 2L, 1L, 3L, 3L, 2L, 1L))

Re: [R] Select rows based on multiple comparisons

2012-01-16 Thread Joshua Wiley
Hi, Here's one option: dat <- read.table(text = "Units Var1 Var2 Var3 1 B 22 1 C 1 3 2 D 33 2 C 21 2 A 12 3 C 21 3 A 13 4

[R] Select rows based on multiple comparisons

2012-01-16 Thread Felipe Nunes
Dear all, I have a data set in which the same unit appears 2 or 3 or 4 times. I need to aggregate this data to maintain only one unit by row. But I need to do that based on a comparison between the values of such units. I can't find a function to help me on that. I appreciate any help. Below I pro