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 problem:

"that we have an extensive collection of documentation suitable for beginners that probably has similar problems worked out:"

http://cran.r-project.org/other-docs.html

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:

http://biostat.mc.vanderbilt.edu/wiki/Main/StatReport
http://biostat.mc.vanderbilt.edu/wiki/pub/Main/StatReport/summary.pdf



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 for rowMeans.

--
David.

Thanks again.


--- On Thu, 12/2/10, David Winsemius <dwinsem...@comcast.net> wrote:

From: David Winsemius <dwinsem...@comcast.net>
Subject: Re: [R] Please help......barplot2
To: "David Lyon" <david_ly...@yahoo.com>
Cc: r-help@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
8.63
6.36    7.29
6.68    7.11
8.04    6.05
7.04    5.80
7.34
3.22    3.22
3.28    4.37
5.21    3.10
3.37    2.56
5.43

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

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David Winsemius, MD
West Hartford, CT






David Winsemius, MD
West Hartford, CT

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