def likelihood()

in skin.py [0:0]

• 13 lines of code
• 3 McCabe index (conditional complexity)

    def likelihood(self, data):
        assert(data.shape[1] == self.dim)
        N = data.shape[0]
        lh = np.zeros(N)

        for i in range(self.num):
            data_ = data - self.mu[i]

            tmp = np.matmul(data_,self.cov_inv[i]) * data_
            tmp = np.sum(tmp,axis=1)
            power = -0.5 * tmp

            p = np.array([math.exp(power[j]) for j in range(N)])
            p = p/self.factor[i]
            lh += p*self.w[i]
        
        return lh