def test_logistic_grouped_fpd_without_initial_approx_should_take_the_default_initial_approx(
self):
fit = ModelFitter().fit('logistic', 'mixed-waterfall-agile')
a, b, c = fit.get_lsq_parameters()
self.assertAlmostEqual(a, 835.410477, places=6)
self.assertAlmostEqual(b, 0.030741, places=6)
self.assertAlmostEqual(c, 75.801110, places=6)
def test_logistic_ttf_without_initial_approx_should_take_the_default_initial_approx(
self):
fit = ModelFitter().fit('logistic', 'ntds')
a, b, c = fit.get_lsq_parameters()
self.assertAlmostEqual(a, 24.640875, places=6)
self.assertAlmostEqual(b, 0.040930, places=6)
self.assertAlmostEqual(c, 76.510170, places=6)
def test_delayed_s_shaped_grouped_fpd_without_initial_approx_should_take_the_default_initial_approx(
self):
fit = ModelFitter().fit('delayed-s-shaped', 'mixed-waterfall-agile')
a, b = fit.get_lsq_parameters()
self.assertAlmostEqual(a, 893.639700, places=6)
self.assertAlmostEqual(b, 0.021788, places=6)
def test_delayed_s_shaped_ttf_without_initial_approx_should_take_the_default_initial_approx(
self):
fit = ModelFitter().fit('delayed-s-shaped', 'ntds')
a, b = fit.get_lsq_parameters()
self.assertAlmostEqual(a, 26.715480, places=6)
self.assertAlmostEqual(b, 0.021213, places=6)
def test_goel_okumoto_grouped_fpd_without_initial_approx_should_take_the_default_initial_approx(
self):
fit = ModelFitter().fit('goel-okumoto', 'mixed-waterfall-agile')
a, b = fit.get_lsq_parameters()
self.assertAlmostEqual(a, 1416.915295, places=6)
self.assertAlmostEqual(b, 0.004807, places=6)
def test_goel_okumoto_ttf_without_initial_approx_should_take_the_default_initial_approx(
self):
fit = ModelFitter().fit('goel-okumoto', 'ntds')
a, b = fit.get_lsq_parameters()
self.assertAlmostEqual(a, 33.599461, places=6)
self.assertAlmostEqual(b, 0.006296, places=6)