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SUMMARY:Estimation of the mean of a random vector.
DTSTART;VALUE=DATE-TIME:20190211T151500Z
DTEND;VALUE=DATE-TIME:20190211T161500Z
DTSTAMP;VALUE=DATE-TIME:20190425T223616Z
UID:indico-event-4300@indico.math.cnrs.fr
DESCRIPTION:Given n independent\, identically distributed copies of a rand
om\nvector\, one is interested in estimating the expected value. Perhaps\n
surprisingly\, there are still open questions concerning this very\nbasic
problem in statistics. The goal is to construct estimators\nthat are close
to the true mean with high probability\, with respect to\nsome given norm
. In this talk we introduce a new family of estimators--the\nso-called “
median-of-means tournaments”---and show their optimal behavior.\nThis ta
lk is based on joint work with Shahar Mendelson\n\nhttps://indico.math.cnr
s.fr/event/4300/
LOCATION:UCBL-Braconnier Salle Fokko
URL:https://indico.math.cnrs.fr/event/4300/
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