[R] Generating a histogram with R
dwinsemius at comcast.net
Tue Jul 12 22:01:47 CEST 2011
On Jul 12, 2011, at 3:41 PM, a217 wrote:
> I have a sample file:
> chr22 100 150 125 21 0.145 +
> chr22 200 300 212 13 0.05 +
> chr22 345 365 351 12 0.09 +
> chr22 500 750 510 15 0.10 +
> chr22 500 750 642 9 0.02 +
> chr22 800 900 850 10 0.05 +
> where I need to generate a histogram from the data in column 6 (i.e.
> 0.05, etc.). To make it easier to read, I would plot the data as
> for all of the data in column 6.
That makes no sense to me, unless you want to pre-multiply all values
> What I would like to know is how to generate a histogram with the
> data from
> one file? Also, would I be able to generate one histogram from
> files as well (with the same format)?
?histogram (# lattice
There are a ton of worked examples in the Archives. Learn to search.
Reasonable search terms once you get to Barons site with RSiteSearch
are (after setting the web interface to get r-help postings): "grouped
> For example, I have multiple files in the same format as the sample
> above, and I would like to make one histogram for all column six
> data in all
Also there are a ton of worked examples in the archive dealing with
accessing multiple files.
> Thank you,
> View this message in context: http://r.789695.n4.nabble.com/Generating-a-histogram-with-R-tp3663350p3663350.html
> Sent from the R help mailing list archive at Nabble.com.
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
David Winsemius, MD
West Hartford, CT
More information about the R-help