Anybody?
From: Cory Nissen
Sent: Tue 9/4/2007 9:30 AM
To: r-help@stat.math.ethz.ch
Subject: variable format
Okay, I want to do something similar to SAS proc format.
I usually do this...
a - NULL
a$divisionOld - c(1,2,3,4,5)
divisionTable
Becker [mailto:[EMAIL PROTECTED]
Sent: Fri 9/7/2007 10:55 AM
To: Cory Nissen
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] FW: variable format
Dear Cory,
I am not familiar with SAS, but is this what you are looking for?
divisionTable - matrix(c(1, New England,
2, Middle
3:51 AM
To: Cory Nissen
Cc: r-help@stat.math.ethz.ch
Subject: RE: [R] by group problem
Hi
now I understand better what you want
topN.2 - function(data,n=5) data[order(data[,3], decreasing=T),][1:n]
# I presume data is data frame with 3 columns and the third is percent
lapply(split(data,data
Okay, I want to do something similar to SAS proc format.
I usually do this...
a - NULL
a$divisionOld - c(1,2,3,4,5)
divisionTable - matrix(c(1, New England,
2, Middle Atlantic,
3, East North Central,
4, West North
I am working with census data. My columns of interest are...
PercentOld - the percentage of people in each county that are over 65
County - the county in each state
State - the state in the US
There are about 3100 rows, with each row corresponding to a county within a
state.
I want to
)
Error in aggregate.data.frame(as.data.frame(x), ...) :
'FUN' must always return a scalar
Thanks
cn
From: Petr PIKAL [mailto:[EMAIL PROTECTED]
Sent: Fri 8/31/2007 8:15 AM
To: Cory Nissen
Cc: r-help@stat.math.ethz.ch
Subject: Odp: [R] by group problem
Hi