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)

Methods

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