Hi r-help-boun...@r-project.org napsal dne 02.12.2010 17:26:20:
> > 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. Yes but I transposed the file before as column wise operations are more common. Best regards Petr > > -- > 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 > >>> > >>> ______________________________________________ > >>> R-help@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 > > ______________________________________________ > R-help@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. ______________________________________________ R-help@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.