[R] lme4 groupedData is missing

[Sundar Dorai-Raj]

Jacob Wegelin wrote:
> help.search("groupedData") says that it's part of the lme4 package, but it
> appears not to be there (details below). Is this because lme4 is new and
> (perhaps) still under development?
> 
> 
>>update.packages()
> 
> trying URL `http://cran.r-project.org/bin/windows/contrib/1.9/PACKAGES'
> Content type `text/plain; charset=iso-8859-1' length 19113 bytes
> opened URL
> downloaded 18Kb
> 
> 
>>library("lme4")
>>groupedData
> 
> Error: Object "groupedData" not found
> 
>>version
> 
>          _
> platform i386-pc-mingw32
> arch     i386
> os       mingw32
> system   i386, mingw32
> status
> major    1
> minor    9.1
> year     2004
> month    06
> day      21
> language R
> 
> Jake Wegelin
> 

You've missed the namespace discussion. Try:

lme4:::groupedData

Read the following article to catch up

http://cran.r-project.org/doc/Rnews/Rnews_2003-1.pdf

--sundar