Aster R provides functions to automatically convert between virtual and regular R objects.
This table lists brief descriptions of these functions.
Function | Description |
---|---|
ta.data.frame() |
Creates a virtual data frame based on an underlying SELECT query. The SELECT query is created based on the input arguments. |
as.ta.data.frame() | Converts an existing R object or Aster virtual object to an Aster virtual data frame. |
as.data.frame() | Converts a table in the Aster Database to a virtual object that can be accessed using Aster R functions. |
as.ta.factor() |
Converts an R object or Aster R virtual object to an Aster R virtual factor. The object to be converted must have a single column of type ‘character’. |
as.ta.vector() |
Converts an R object or Aster R virtual object to an Aster R virtual vector. The object to be converted must have a single column. |
as.vector() | Converts a virtual vector to a regular R vector. |