[R] Please help......barplot2
dwinsemius at comcast.net
Thu Dec 2 17:26:20 CET 2010
On Dec 2, 2010, at 11:10 AM, David Lyon wrote:
> Thanks David
> Do you have the url link that details the worked solution to my
> "that we have an extensive collection of documentation suitable for
> beginners that probably has similar problems worked out:"
My opinion: the Kuhnert and Venables piece is well worth the time to
download its 3MB extent, which is not to diminish the value of the
rest of the contributed documentation. I don't think you can go wring
starting there. I have in the past used Alzola and Harrell's and am
currently working through the piece that Harrell does on literate
programming (not on the contributed page:
> If not can someone show me how to
> " How do I import the file, then plot the mean and standard error
> bars of the data from each row?"
> Thanks in advance.
> Also this is not an homework problem just somebody using it as a
> newbie at work in research who normally codes in C, C++ and JAVA.
I noted that Petr's solution used colMeans, I thought you were asking
> Thanks again.
> --- On Thu, 12/2/10, David Winsemius <dwinsemius at comcast.net> wrote:
>> From: David Winsemius <dwinsemius at comcast.net>
>> Subject: Re: [R] Please help......barplot2
>> To: "David Lyon" <david_lyon3 at yahoo.com>
>> Cc: r-help at r-project.org
>> Date: Thursday, December 2, 2010, 10:57 AM
>> On Dec 2, 2010, at 10:36 AM, David Lyon wrote:
>>> Hi everyone
>>> I spent hours trying to figure this out but as a
>> newbie I am stuck...
>>> can someone show me the R code for the following:
>>> If I had a tab delimited file called "file",
>> Are you sure that you are not on an OS that hides the file
>> extensions by default?
>>> containing 3 rows :
>>> 9.56 8.67
>> 9.28 8.81
>> 7.93 9.85
>> 8.92 10.19
>>> 6.36 7.29
>> 6.68 7.11
>> 8.04 6.05
>> 7.04 5.80
>>> 3.22 3.22
>> 3.28 4.37
>> 5.21 3.10
>> 3.37 2.56
>>> How do I import the file, then plot the mean and
>> standard error bars of the data from each row?
>> If the files name is really "file" then:
>> read.table(file="file", header=FALSE, sep="\t")
>> At this point I will note that this appears to be
>> structured along the lines I might except for a homework
>> problem. I will offer the advice that the plotCI function in
>> package plotrix looks suitable and that we have an extensive
>> collection of documentation suitable for beginners that
>> probably has similar problems worked out:
>>> Thank you so much
>>> 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
David Winsemius, MD
West Hartford, CT
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