Python scipy.special.gammainccinv() Examples

The following are 21 code examples of scipy.special.gammainccinv(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module scipy.special , or try the search function .
Example #1
Source File: _continuous_distns.py    From GraphicDesignPatternByPython with MIT License 5 votes vote down vote up 
def _ppf(self, q, a):
        return 1.0 / sc.gammainccinv(a, q)
Example #2
Source File: double_gamma.py    From chaospy with MIT License 5 votes vote down vote up 
def _ppf(self, q, a):
        fac = special.gammainccinv(a,1-abs(2*q-1))
        return numpy.where(q>0.5, fac, -fac)
Example #3
Source File: _continuous_distns.py    From Splunking-Crime with GNU Affero General Public License v3.0 5 votes vote down vote up 
def _ppf(self, x, beta):
        c = np.sign(x - 0.5)
        # evaluating (1. + c) first prevents numerical cancellation
        return c * sc.gammainccinv(1.0/beta, (1.0 + c) - 2.0*c*x)**(1.0/beta)
Example #4
Source File: _continuous_distns.py    From Splunking-Crime with GNU Affero General Public License v3.0 5 votes vote down vote up 
def _ppf(self, q, a):
        return 1.0 / sc.gammainccinv(a, q)
Example #5
Source File: _continuous_distns.py    From Splunking-Crime with GNU Affero General Public License v3.0 5 votes vote down vote up 
def _isf(self, q, a, c):
        val1 = sc.gammaincinv(a, q)
        val2 = sc.gammainccinv(a, q)
        return np.where(c > 0, val2, val1)**(1.0/c)
Example #6
Source File: _continuous_distns.py    From Splunking-Crime with GNU Affero General Public License v3.0 5 votes vote down vote up 
def _ppf(self, q, a, c):
        val1 = sc.gammaincinv(a, q)
        val2 = sc.gammainccinv(a, q)
        return np.where(c > 0, val1, val2)**(1.0/c)
Example #7
Source File: _continuous_distns.py    From Splunking-Crime with GNU Affero General Public License v3.0 5 votes vote down vote up 
def _ppf(self, q, a):
        fac = sc.gammainccinv(a, 1-abs(2*q-1))
        return np.where(q > 0.5, fac, -fac)
Example #8
Source File: test_gammainc.py    From GraphicDesignPatternByPython with MIT License 5 votes vote down vote up 
def test_gammaincc_roundtrip():
    a = np.logspace(-5, 10, 100)
    x = np.logspace(-5, 10, 100)

    y = sc.gammainccinv(a, sc.gammaincc(a, x))
    assert_allclose(x, y, rtol=1e-14)
Example #9
Source File: test_basic.py    From GraphicDesignPatternByPython with MIT License 5 votes vote down vote up 
def test_gammainccinv(self):
        gccinv = special.gammainccinv(.5,.5)
        gcinv = special.gammaincinv(.5,.5)
        assert_almost_equal(gccinv,gcinv,8)
Example #10
Source File: test_basic.py    From GraphicDesignPatternByPython with MIT License 5 votes vote down vote up 
def test_gammainccinv(self):
        assert_equal(cephes.gammainccinv(5,1),0.0)
Example #11
Source File: _continuous_distns.py    From GraphicDesignPatternByPython with MIT License 5 votes vote down vote up 
def _ppf(self, x, beta):
        c = np.sign(x - 0.5)
        # evaluating (1. + c) first prevents numerical cancellation
        return c * sc.gammainccinv(1.0/beta, (1.0 + c) - 2.0*c*x)**(1.0/beta)
Example #12
Source File: _continuous_distns.py    From lambda-packs with MIT License 5 votes vote down vote up 
def _ppf(self, q, a):
        fac = sc.gammainccinv(a, 1-abs(2*q-1))
        return np.where(q > 0.5, fac, -fac)
Example #13
Source File: _continuous_distns.py    From GraphicDesignPatternByPython with MIT License 5 votes vote down vote up 
def _isf(self, q, a, c):
        val1 = sc.gammaincinv(a, q)
        val2 = sc.gammainccinv(a, q)
        return np.where(c > 0, val2, val1)**(1.0/c)
Example #14
Source File: _continuous_distns.py    From GraphicDesignPatternByPython with MIT License 5 votes vote down vote up 
def _ppf(self, q, a, c):
        val1 = sc.gammaincinv(a, q)
        val2 = sc.gammainccinv(a, q)
        return np.where(c > 0, val1, val2)**(1.0/c)
Example #15
Source File: _continuous_distns.py    From GraphicDesignPatternByPython with MIT License 5 votes vote down vote up 
def _ppf(self, q, a):
        fac = sc.gammainccinv(a, 1-abs(2*q-1))
        return np.where(q > 0.5, fac, -fac)
Example #16
Source File: test_basic.py    From Computable with MIT License 5 votes vote down vote up 
def test_gammainccinv(self):
        gccinv = special.gammainccinv(.5,.5)
        gcinv = special.gammaincinv(.5,.5)
        assert_almost_equal(gccinv,gcinv,8)
Example #17
Source File: test_basic.py    From Computable with MIT License 5 votes vote down vote up 
def test_gammainccinv(self):
        assert_equal(cephes.gammainccinv(5,1),0.0)
Example #18
Source File: _continuous_distns.py    From lambda-packs with MIT License 5 votes vote down vote up 
def _ppf(self, x, beta):
        c = np.sign(x - 0.5)
        # evaluating (1. + c) first prevents numerical cancellation
        return c * sc.gammainccinv(1.0/beta, (1.0 + c) - 2.0*c*x)**(1.0/beta)
Example #19
Source File: _continuous_distns.py    From lambda-packs with MIT License 5 votes vote down vote up 
def _ppf(self, q, a):
        return 1.0 / sc.gammainccinv(a, q)
Example #20
Source File: _continuous_distns.py    From lambda-packs with MIT License 5 votes vote down vote up 
def _isf(self, q, a, c):
        val1 = sc.gammaincinv(a, q)
        val2 = sc.gammainccinv(a, q)
        return np.where(c > 0, val2, val1)**(1.0/c)
Example #21
Source File: _continuous_distns.py    From lambda-packs with MIT License 5 votes vote down vote up 
def _ppf(self, q, a, c):
        val1 = sc.gammaincinv(a, q)
        val2 = sc.gammainccinv(a, q)
        return np.where(c > 0, val1, val2)**(1.0/c)