The mathematical sciences prize was awarded to David L. Donoho for his "contributions to modern mathematical statistics and in particular the development of optimal algorithms for statistical estimation in the presence of noise and of efficient techniques for sparse representation and recovery in large data-sets, " the committee said.
Working out whether a default in a portfolio is likely to be an isolated event, or is a harbinger of more to come, is especially tricky, not least because data on credit defaults are relatively sparse.
Ratemds.com and other sites let patients anonymously praise or knock doctors, but the reviews can be sparse or defamatory. hmos have used claims data to grade doctors but have been accused of recommending only doctors who charge the least.