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76 sidor
2012

In many epidemiological studies time to event data are grouped into strata (or clusters), such as, geographic region, districts, villages and so on. Consequently, cluster specific effects on survival times may cause an extra variation. Under such circumstance, it is substantive importance to draw inference on the nature and magnitude of these effects albeit the primary focus being on survival times. In model based analysis the aforesaid effect (called frailty) are usually accommodated by the use of frailty survival models.

Författare: Belay Birlie, Yehenew Getachew, Delenasaw Yehwalaw
Format: Pocket/Paperback
ISBN: 9783659197116
Språk: Engelska
Antal sidor: 76
Utgivningsdatum: 2012-07-26
Förlag: LAP Lambert Academic Publishing