[R] Please help......barplot2

[David Winsemius]

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 <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
>> 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
>>>
>>> ______________________________________________
>>> R-help at r-project.org
>> mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> 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