Robust multivariate mean estimation: The optimality of trimmed mean

نویسندگان

چکیده

We consider the problem of estimating mean a random vector based on i.i.d. observations and adversarial contamination. introduce multivariate extension trimmed-mean estimator show its optimal performance under minimal conditions.

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ژورنال

عنوان ژورنال: Annals of Statistics

سال: 2021

ISSN: ['0090-5364', '2168-8966']

DOI: https://doi.org/10.1214/20-aos1961