On Dec 4, 2009, at 2:04 PM, Bradley W. Settlemyer wrote:
Hello
I need to fit a distribution to a histogram data set. I have read
Ricci's guide to distribution fitting, and am ready to begin
experimenting with the techniques it mentions, but I am uncertain
how to get my data in the format he uses.
My problem is that my data is binned. So for example my data is in
the following format
#lb ub count
0 1 4
1 2 7
2 3 2
? rep
> rep(c(1,2,3), c(4,7,2))
[1] 1 1 1 1 2 2 2 2 2 2 2 3 3
Indicating that I have 4 observations between 0 and 1, 7 obs between
1 and 2, and 2 obs between 2 and 3. I assume it should be simple to
somehow transform the dataset to a vector such as:
1
1
1
1
2
2
2
2
2
2
3
3
But I don't know how to do that in R. I have a decent amount of
datasets I will want to perform this distribution fitting analysis,
so if there is a better way, I'm game to learn about it. So any
help is welcome.
Cheers,
Brad
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David Winsemius, MD
Heritage Laboratories
West Hartford, CT
______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
