is.curved  R Documentation 
These functions test whether an ERGM fit, formula, or some other object represents a curved exponential family.
The method for NULL
always returns FALSE
by
convention.
is.curved(object, ...)
## S3 method for class ''NULL''
is.curved(object, ...)
## S3 method for class 'formula'
is.curved(object, response = NULL, basis = NULL, ...)
## S3 method for class 'ergm'
is.curved(object, ...)
object 
An 
... 
Arguments passed on to lowerlevel functions. 
response 
Either a character string, a formula, or

basis 
See 
Curvature is checked by testing if all model parameters are canonical.
TRUE
if the object represents a
curved exponential family; FALSE
otherwise.
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