def test_project_cur_default(self):
data = Table("ionosphere")
projector = ProjectCUR()
data_cur = projector(data)
for i in range(data_cur.X.shape[1]):
sbtr = (data.X - data_cur.X[:, i][:, None]) == 0
self.assertTrue(((sbtr.sum(0) == data.X.shape[0])).any())
self.assertTrue(data_cur.X.shape[1] <= data.X.shape[1])
self.assertTrue((data.metas == data_cur.metas).all())
self.assertTrue((data.Y == data_cur.Y).any())
def test_project_cur(self):
data = self.ionosphere
projector = ProjectCUR(rank=3, max_error=1)
data_cur = projector(data)
for i in range(data_cur.X.shape[1]):
sbtr = (data.X - data_cur.X[:, i][:, None]) == 0
self.assertTrue(((sbtr.sum(0) == data.X.shape[0])).any())
self.assertTrue(data_cur.X.shape[1] <= data.X.shape[1])
self.assertTrue((data.metas == data_cur.metas).all())
self.assertTrue((data.Y == data_cur.Y).any())
def createinstance(params):
rank = params.get("rank", 10)
max_error = params.get("max_error", 1)
return ProjectCUR(rank=rank, max_error=max_error)