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SUMMARY:The discrete convex least-squares estimator of a probability mass 
 function - Cécile Durot\, Université Paris-Sud
DTSTART:20140523T150000Z
DTEND:20140523T160000Z
UID:TALK52401@talks.cam.ac.uk
CONTACT:Richard Samworth
DESCRIPTION:Motivated by the estimation of the species abundance distribut
 ion in  \necology\, we are interested in estimating a discrete convex prob
 ability\nmass function. The discrete convex least-squares estimator is\nco
 nsidered. Although it does not have a closed form\, the estimator can\nbe 
 computed thanks to a support reduction algorithm. The weak limiting distri
 bution of the estimator is derived: it can be defined via a\ncertain conve
 x projection of a Gaussian vector.\n
LOCATION:MR12\,  Centre for Mathematical Sciences\, Wilberforce Road\, Cam
 bridge
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