Objects from this class behave rather like data.frame
objects, but are formal reference classes
so that computations with them use reference semantics
data
An environment whose objects correspond to the "columns" of a data frame or matrix.
row.names
The names for the "rows", treated as those in a data frame.
initialize(..., data = data.frame())
This method takes data=
as a named argument, but coerces it to be an environment,
instead of requiring that it already be one.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.