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.
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':
 
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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