= Terry Therneau
{c}
<Terry Therneau> is a <statistician> working on <survival analysis> and statistical software. His Mayo Clinic profile identifies <continuous-time multi-state models> for time-to-event data as a focus, connecting statistical methods with the analysis of transitions between observed states.https://www.mayo.edu/research/faculty/therneau-terry-m-ph-d/bio-00025991[Institutional profile: survival analysis and multistate time-to-event models]{ref}
His <A package for survival analysis in R by Terry Therneau> documents tools for <Cox proportional-hazards models> and the handling of <censoring>. A censored observation still conveys information: a subject observed without an event through time $t$ contributes a <survival probability> through $t$, rather than being discarded. The software's treatment of <risk sets> and tied event times makes the statistical model's assumptions part of the computation.<A package for survival analysis in R by Terry Therneau>[Sections 1.4 and 3.1; section 5.1 on ties and partial likelihood]{ref}
\Image[https://www.mayo.edu/-/media/kcms/employees/2018/06/16/21/16/terry-therneau-10167951.jpg]
{title=Terry Therneau}
{description=Portrait identified by the Mayo Clinic faculty profile.}
{source=https://www.mayo.edu/research/faculty/therneau-terry-m-ph-d/bio-00025991}
{width=220}
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