Mixture of logistic regressions parameters (H)estimation with (U)spectral methods. The main methods take d-dimensional inputs and a vector of binary outputs, and return parameters according to the GLMs mixture model (General Linear Model). For more details see chapter 3 in the PhD thesis of Mor-Absa Loum: < http://www.theses.fr/s156435>, available here < https://www.math.u-psud.fr/~loum/IMG/pdf/these.compressed-2.pdf>.