writeDframeVars takes a dataframe as argument.  It writes the variables in the dataframe to a string that identifies the type (numeric, string, factor, etc.) of each variable, and places this string on the clipboard.  This string can then be pasted into an html doc.

List of packages on pre-4/26/2013 R 2.15.2 as installed on X220 laptop.

X220.packages.2.15.2 is a list with 4 components.  

$packages is a matrix named 'packages'.  Column 1 of $packages are the names of currently installed packages; column 2 is a description of the packages.

$date is the current date on which this list was made.

$R.version is the R version

$description is a brief description of the list.

List of packages on (7/24/2013) R 3.0 as installed on X220 laptop.

X220.packages.3.0 is a list with 4 components.  

$packages is a matrix named 'packages'.  Column 1 of $packages are the names of currently installed packages; column 2 is a description of the packages.

$date is the current date on which this list was made.

$R.version is the R version

$description is a brief description of the list.

ymd returns the current date in yymmdd format.  If include.time = TRUE, then ymd returns yymmdd.hhiiss, where 'hh', 'ii' and 'ss' are the hours, minutes and seconds, respectively.

'z2r' is a function that computes the inverse of Fisher's z
transformation.  So 'z2r(r2z(.4))' returns .4.