[R] producing histogram-like plot

From: Karin Lagesen <karin.lagesen_at_bio.uio.no>
Date: Tue, 29 Mar 2011 11:05:08 +0200


Hi!

I have a dataset that looks like this:

0.0	14
0.0	3
0.9	12
0.73	15
0.78	2
1.0	15
0.3	2
0.32	8

...and so on.

I.e. a value between 0 and 1, and a number

I would like to plot this in a histogram-like manner. I would like to have a set of bins, each 0.1 wide, and plot the sum of values in column 2 that falls within each bin. I.e, in this case I would like the first bin, 0.0, to have the value 17, the second, 0.1, to have the value 0 and so on, until the last bin which has the value 15. I am sadly uncertain of both how to sum these together, and also on which plot type to use.

Thanks in advance!

Karin

-- 
Karin Lagesen, Ph.D.
Centre for Ecological and Evolutionary Synthesis (CEES)
University of Oslo, Dept. of Biology
P.O. Box 1066 Blindern 0316 Oslo, Norway
Ph. +47 22844132 Fax. +47 22854001
Email karin.lagesen_at_bio.uio.no
http://folk.uio.no/karinlag

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Received on Tue 29 Mar 2011 - 09:38:20 GMT

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