Den Haan, Wouter J.
A practitioner's guide to robust covariance matrix estimation .-- Cambridge (Mass.) : National Bureau of Economic Research , 1996
.--56 p. 22 cm. .-- ( NBER technical working paper;197 ).
Bibliografía,resumen
ESTADISTICA
MATEMATICAS
Levin, Andrew Theo
A practitioner's guide to robust covariance matrix estimation .-- Cambridge (Mass.) : National Bureau of Economic Research , 1996
.--56 p. 22 cm. .-- ( NBER technical working paper;197 ).
Bibliografía,resumen
ESTADISTICA
MATEMATICAS
Levin, Andrew Theo