6.3.4.3.7. statsmodels.sandbox.distributions.extras.SquareFunc

class statsmodels.sandbox.distributions.extras.SquareFunc[source]

class to hold quadratic function with inverse function and derivative

using instance methods instead of class methods, if we want extension to parameterized function

__init__

x.__init__(...) initializes x; see help(type(x)) for signature

6.3.4.3.7.1. Methods

derivminus(x)
derivplus(x)
inverseminus(x)
inverseplus(x)
squarefunc(x)