Displaying 3 results from an estimated 3 matches for "agg3".
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2011 Jan 26
1
aggregate(as.formula("some formula"), data, function) error when called from in a function
...nd then the error.
The first function "agg2" fails
> agg2(FALSE)
do agg 2
Error in m[[2L]][[2L]] : object of type 'symbol' is not subsettable
but, if I run it have it return what it is going to pass to aggregate and pass it myself, it works. I can use this for a workaround (agg3) where one function does this itself.
I'm confused by the behavior. Is there some way to not have to use a separate function to make the call ?
======================
# start R code
# idea: in a function, count the number of instances
# of some factor (y) associated with another
# factor (x)...
2012 Jun 05
4
need descriptive help
Hi all, I'm new to using R, and apologize for simplicity of this
question.
I'm using a data set with over 60,000 observations, Two variables are
patient ID, and cost incurred by the patient. I'd like to generate
frequency/table by patient and cost IF the total cost is over 2000.
Right now I'm using:
by(x$cost, x$patient, sum)
but this generates a huge list for each patient.
2025 Jan 24
3
Interpreting the output of str on a data frame created using aggregate function
I ran the following code:
marginalcats <- aggregate(meanbyCensusIDAndDay3$cats,
list(meanbyCensusIDAndDay3$CensusID),table)
followed by
str(marginalcats)
I received the following output:
'data.frame': 844 obs. of 2 variables:
$ Group.1: num 6e+09 6e+09 6e+09 6e+09 6e+09 ...
$ x : int [1:844, 1:7] 14 14 14 14 14 14 14 14 14 14 ...
..- attr(*,