Displaying 4 results from an estimated 4 matches for "tobinjr".
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tobin
2007 Sep 13
1
Collapsing data frame; aggregate() or better function?
...mple). Can anyone
clarify and/or recommend any relatively simple alternative procedure to
accomplish this?
I plan on trying variants of by() and tapply() tomorrow morning, but I'm
about to head home for the day.
Thanks,
--
jared tobin, student research assistant
fisheries and oceans canada
tobinjr at dfo-mpo.gc.ca
2007 May 29
1
Partially reading a file (particularly)
...86
2518
surface Lake Shore Dr. 1590 1234
INPUT type $ @;
IF type = 'surface' THEN DELETE;
INPUT name $ 9-38 amtraff pmtraff;
Any answers, suggestions, or points-in-the-right-direction would be much
appreciated.
--
Jared Tobin, Student Research Assistant
Dept. of Fisheries and Oceans
tobinjr at dfo-mpo.gc.ca
2008 Jan 28
1
Grouping data via an index
...vector to a vector of the midpoints
of each group, via
> round(data.vector/3)*3 + 1
But haven't been able to accomplish much past that. I'm guessing it can
be accomplished via a simple loop or otherwise.
Thanks,
--
jared tobin, student research assistant
fisheries and oceans canada
tobinjr at dfo-mpo.gc.ca
2007 Jun 14
1
Using subset() in a user-defined function
...for. So if I were to input:
function1(arg2=5, arg3=6)
then in function1, the subset command will look like
temp.frame <- subset(master.frame, b == 5 & c == 6)
Any suggestions would be much appreciated.
Thanks,
--
jared tobin, student research assistant
dept. of fisheries and oceans
tobinjr at dfo-mpo.gc.ca