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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)

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