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| revprev | Admin | Jan 18'24 at 2:40 | +23 | ||
| revcur | Admin | (Created page with "A cohort of 100 newborns is observed from birth. During the first year, 10 drop out of the study and one dies at time 1. Eight more drop out during the next six months, then, at time 1.5, three deaths occur. Calculate <math>\hat{S}(1.5)</math>, the Nelson-Aalen estimator of the survival function, <math>S(1.5)</math>. <ul class="mw-excansopts"><li> 0.950</li><li> 0.951</li><li> 0.952</li><li> 0.953</li><li> 0.954</li></ul>") | Jan 17'24 at 18:04 | +427 |