TY  - JOUR
A1  - Hoaglin, D.C.
A1  - Welsch, R.E.
T1  - The hat matrix in regression and ANOVA
Y1  - 1978
DO  - 10.2307/2683469
JF  - The American Statistician
VL  - 32
IS  - 1
SP  - 17
EP  - -22

ER  -