def validate(self, csdl):
        return self.request.post('validate', data=dict(csdl=csdl))
components should be sorted by decreasing variance
dataset/ETHPy150Open datasift/datasift-python/datasift/pylon.py/Pylon.validate--crossover with--dataset/ETHPy150Open scot-dev/scot/scot/tests/test_pca.py/TestFunctionality.testSorting