Exact(28)
It is a straight diagonal for constant hazards leading to an exponential model.
Conversely, in simulation studies often a gap time scale is used [ 3, 4, 6, 16], sometimes by defining constant hazards.
It is obvious that the assumption of constant hazards ratio does not apply to any comparison with BSC involved.
A piecewise constant hazards model was used to assess the PAF for the three obesity indicators (34).
The distributions are conveniently defined as piecewise exponential distributions and can be specified through piecewise constant hazards and time-fixed or time-dependent hazard ratios.
The hazards are assumed to be constant within pre-specified sub intervals of follow-up time (that is, piecewise constant hazards).
Similar(31)
Explosions and small arms fire were a constant hazard.
Overcooking, a constant hazard with fish, can strike unexpectedly at Yellowfin.
Cracks created by the earthquakes have left entire hillsides hanging and falling rocks are a constant hazard.
Next, Schanzer points out that lightning was a constant hazard for Colonial houses, and that after Ben "stole the lightning," there weren't nearly as many fires.
At a recent rehearsal they passed water buckets (fire was a constant hazard), shouted protest slogans and, in society drawing-room scenes, sipped tea.
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