AddNav			Add an item to the navigation list
AddNavItem		Add an item to the navigation list
BeginNav		Write the header for the HTML navigation file (htmlize)
CreateIndexFile		Write an index file for the current output (htmlize)
CreateIndxFile		Write an index file for the current output (R2html)
EndHTML			End an HTML file
HTMLgraph		Create a graphic in HTML output
Mode			Find the modal value
R2html			A more refined version of htmlize
StartList		Initialize the HTML listing file for htmlize
StartNav		Initialize the HTML navigation file for htmlize
brkdn			Calculate mean, variance & valid n by factor groups
calculate.xtab		Get a table and calculate the marginals and names
describe		Display descriptive stats
describe.factor		Display descriptive stats for a factor object
describe.logical	Display descriptive stats for a logical object
describe.numeric	Display descriptive stats for a numeric object
dstats			Calculate mean, variance & valid n
freq			Calculate a frequency table
htmlize			Convert R output into HTML
print.freq		Print a frequency table
print.xtab		Print a conventional crosstabulation
toNA			Recode one or more values as NA
valid.n			Calculate the number of valid (NOT NA) values
xtab			Build and display crosstabulations
