For survey data, the survey package provides methods for variance estimation.
 Justin BEM
BP 1917 Yaoundé
Tél (237) 99597295
(237) 22040246 




________________________________
De : Marie Vandresse <vm@plan.be>
À : r-help@r-project.org
Envoyé le : Mercredi, 11 Mars 2009, 9h25mn 11s
Objet : [R] t-test, survey data



    *How can I do a t-test with survey data?*


Thanks.

Marie


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