is.SimpleTable: Is object of class SimpleTable?
Description
Checks to see if object is of class SimpleTable.
Arguments
S
An object to be checked.
Value
A logical value equal to TRUE if S is of class SimpleTable and FALSE otherwise.
References
Quinn, Kevin M. 2008. ``What Can Be Learned from a Simple
Table: Bayesian Inference and Sensitivity Analysis for Causal Effects
from 2 x 2 and 2 x 2 x K Tables in the Presence of Unmeasured
Confounding.'' Working Paper.