### “The officer spanks the woman and fondles her bare breasts, the station said on its website. A second officer is spanked by the actress, who then gets into an official city car and performs lewd acts on herself, according to KNBC’s account.”

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(via)

(related)

(Source: *Los Angeles Times*)

6:49 pm • 29 April 2011 • 4 notes

### “y = X? + Zv + ? where ? is a p-by-1 vector of fixed effects; X is an n-by-p matrix; v is a q-by-1 vector of random effects; Z is an n-by-q matrix; E(v) = 0, Var(v) = G; E(?) = 0, Var(?) = R; Cov(v,?) = 0. V = Var(y) = Var(y – X?) = Var(Zv + ?) = ZGZT + R.”

— How to evaluate a teacher.

3:59 pm • 1 April 2011 • 1 note