Hat Matrix
In statistics, the hat matrix H projects the observed values y of response variable to the predicted values ลท:
Read more about this topic: Hat Operator
Famous quotes containing the words hat and/or matrix:
“I needed a drink, I needed a lot of life insurance, I needed a vacation, I needed a home in the country. What I had was a coat, a hat and a gun.”
—Raymond Chandler (1888–1959)
““The matrix is God?”
“In a manner of speaking, although it would be more accurate ... to say that the matrix has a God, since this being’s omniscience and omnipotence are assumed to be limited to the matrix.”
“If it has limits, it isn’t omnipotent.”
“Exactly.... Cyberspace exists, insofar as it can be said to exist, by virtue of human agency.””
—William Gibson (b. 1948)