On 17/11/2007 3:45 PM, [EMAIL PROTECTED] wrote:
> Dear R-helpers,
>
> I hope someone can help me with the following problem:
>
> I derived a variable from many others and produced data.frame: toktempo
> When I look at the variable name I get:
>
> names(toktempo)
> [1] "otok.V5"
>
> But I want the variable name to be Tempo so I googled around to find info
> about renaming variables.
You can simply say
names(toktempo) <- "Tempo"
However, a few more comments about your troubles below...
> I found a webpage which seemed to indicate to me that there was a package
> named gmisc which contained a function called rename and it's syntax looked
> like
> what I wanted. Another webpage indicated that gmisc is a bundle and there
> are
> four packages: gtools, gdata, gmodels, and gplots. I think gdata might have
> the rename function. So I did:
>
> chooseCRANmirror()
> install.packages(c("gdata"))
>
> After this, library() shows that I now have gdata:
>
> Packages in library 'C:/PROGRA~1/R/R-23~1.0/library':
You didn't say what version of R you're using, but that looks like
2.3.0: an old one. I'd update to 2.6.0 (or wait a couple of weeks and
update to 2.6.1). In that version, install.packages("gdata") would have
installed the necessary dependencies. I think you can get similar
behaviour in your version by
install.packages("gdata", dependencies=TRUE)
However, the current version of gdata requires R 2.4.0 or better, so
you'll be installing an obsolete version of the package, too.
Duncan Murdoch
>
> base The R Base Package
> boot Bootstrap R (S-Plus) Functions (Canty)
> class Functions for Classification
> cluster Cluster Analysis Extended Rousseeuw et al.
> datasets The R Datasets Package
> foreign Read Data Stored by Minitab, S, SAS, SPSS,
> Stata, Systat, dBase, ...
> gdata Various R programming tools for data
> manipulation
> graphics The R Graphics Package
> grDevices The R Graphics Devices and Support for Colours
> and Fonts
> grid The Grid Graphics Package
> KernSmooth Functions for kernel smoothing for Wand & Jones
> (1995)
> lattice Lattice Graphics
> MASS Main Package of Venables and Ripley's MASS
> methods Formal Methods and Classes
> mgcv GAMs with GCV smoothness estimation and GAMMs
> by REML/PQL
> nlme Linear and nonlinear mixed effects models
> nnet Feed-forward Neural Networks and Multinomial
> Log-Linear Models
>
> But when I do library(gdata) I get:
>
> Error in loadNamespace(i[[1]], c(lib.loc, .libPaths())) :
> there is no package called 'gtools'
> In addition: Warning message:
> package 'gdata' was built under R version 2.3.1
> Error: package/namespace load failed for 'gdata'
>
> And when I do help(rename) I get:
> help(rename)
> No documentation for 'rename' in specified packages and libraries:
> you could try 'help.search("rename")'
>
> Of course I don't really know if gdata includes something called rename but
> I'm most hoping the message from library(gdata) will mean something to
> someone.
> Or maybe someone has other ideas to help me with my renaming problem.
>
> Many thanks,
> Tom Brotz
>
>
>
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