Re: [R] Creating an instance of R from MS Access?
Felipe Carrillo yahoo.com> writes: > Hi all: > Does anyone know if it's at all possible to create a > connection to R from MS access? ... > See function "odbcConnectAccess" in package RODBC. --D L McArthur ucla.edu __ R-help@stat.math.ethz.ch 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.
Re: [R] OT(slightly) - Tracking extended projects
James MacDonald med.umich.edu> writes: > > Hi all, > > Most of the analyses I do are short little once-and-done type things that are easily encapsulated in a .Rnw > file. However, I sometimes end up with projects that take an extended amount of time. Usually these > projects are not easily encapsulated in an .Rnw file, so I have been using a single .R file with lots of comments. > > The problem with this approach is keeping track of what you have done and what the results were. Once the .R > file gets to be a certain size, the comments aren't as useful, and I find it easy to get lost. I have to assume > that others have encountered this problem and hopefully have come up with something more elegant. > > Any suggestions? > > Best, > > Jim > One possible choice is the intuitively structured approach of "Projects" in Tinn-R (see http://www.sciviews.org/Tinn-R/). -- D L McArthur ucla.edu> __ R-help@stat.math.ethz.ch 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.
Re: [R] summarizing dataframe at variable/factor levels
Afshartous, David exchange.sba.miami.edu> writes: > All, > Is there an efficient way to apply say "mean" or "median" to a dataframe > according to say all combinations of two variables in the dataframe? > ..[snip].. > See function summaryBy in package doBy __ R-help@stat.math.ethz.ch 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.
Re: [R] Packages in R for least median squares regression a nd computing outliers (thompson tau technique etc. )
lalitha viswanath yahoo.com> writes: > > Hi > I am looking for suitable packages in R that do > regression analyses using least median squares method > (or better). Additionally, I am also looking for > packages that implement algorithms/methods for > detecting outliers that can be discarded before doing > the regression analyses > Function lmsreg in package MASS provides least median of squares regression estimator. See RR Wilcox, Introduction to Robust Estimation and Hypothesis Testing, Elsevier 2005 and a wealth of corresponding R functions for robust data analyses available at http://psychology.usc.edu/faculty_homepage.php?id=43 __ R-help@stat.math.ethz.ch 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.
