Thanh Mai Pham Ngoc

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math.ST2021

Semiparametric inference for mixtures of circular data

Claire Lacour, Thanh Mai Pham Ngoc

We consider X 1 ,. .. , X n a sample of data on the circle S 1 , whose distribution is a twocomponent mixture. Denoting R and Q two rotations on S 1 , the density of the X i 's is…

math.ST2012

Goodness-of-fit test for noisy directional data

Claire Lacour, Thanh Mai Pham Ngoc

We consider spherical data $X_{i}$ noised by a random rotation $ε_{i} \in$ SO(3) so that only the sample $Z_{i} = ε_{i} X_{i}$ , $i = 1, \dots, N$ is observed. We define a nonpar…