## Info

log h(t) = ß + a log(t) + ßiXi + ß2^2 + ••• + ßiXk log h(t) = ß + at + ßiXi + ß2X2 + • • • + ßX 3 hi(t) = lo(t) exp(ßixii + ß2X,2 + ••• + ßkXik) 4

1. S(f) is the survival function; d, is the number of events at time fn, is the number of individual at risk at time t,.

2. S(f) is the survival function of the ith time interval with start time t,; q, is the probability of event conditional on no event at time f,.

3. h(f) is the hazard function at time f and a, u, and Pi, P2,- ■ -, Pk are parameters to be estimated. X-, 1,..., X,k are covariates.

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Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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