sandbox.distributions.transformed.SquareFunc

statsmodels.sandbox.distributions.transformed.SquareFunc

class statsmodels.sandbox.distributions.transformed.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

Methods

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