Hi,
I'm a SAS user trying to convert myself to R but I still have problems with
some pretty simple commands.
First I wanted to add up a number of red-tailed hawks seen per day (julian day)
per year. So I tried:
RTyrday - tapply(RThr,list(year,julian),sum)
And then I tried the following
Emilie Berthiaume wrote:
Hi,
I'm a SAS user trying to convert myself to R but I still have problems with
some
pretty simple commands.
First I wanted to add up a number of red-tailed hawks seen per day (
julian day) per year. So I tried:
RTyrday - tapply(RThr,list(year,julian),sum)
Emilie Berthiaume wrote:
Hi,
I'm a SAS user trying to convert myself to R but I still have problems with
some pretty simple commands.
First I wanted to add up a number of red-tailed hawks seen per day (julian
day) per year. So I tried:
RTyrday - tapply(RThr,list(year,julian),sum)