, shape, nrows, nobs)[source]

Validate the shape of a possibly time-varying vector, or raise an exception


name : str

The name of the vector being validated (used in exception messages)

shape : array_like

The shape of the vector to be validated. May be of size 1 or (if the vector is time-varying) 2.

nrows : int

The expected number of rows (elements of the vector).

nobs : int

The number of observations (used to validate the last dimension of a time-varying vector)



If the vector is not of the desired shape.