6 Lec Q Part 2

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Questions and Answers

What does the Kaplan-Meier estimator aim to estimate?

  • Mean survival time
  • Hazard function, h(t)
  • Median survival time
  • Survival function, S(t) (correct)

What does 'non-parametric' imply about the Kaplan-Meier estimator?

  • It only works for normally distributed data
  • It does not make any assumptions about the distribution of survival times (correct)
  • It requires parametric input for estimation
  • It assumes a specific distribution for survival times

What is the formula for the Kaplan-Meier estimator of the survival function?

  • $ ilde{S}(t) = 1 - \frac{d}{n}$
  • $ ilde{S}(t) = ilde{S}(t-1) imes (1 - \frac{d}{n})$ (correct)
  • $ ilde{S}(t) = 1 - \frac{d}{N}$
  • $ ilde{S}(t) = ilde{S}(t-1) imes (1 - \frac{d}{N})$

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Kaplan-Meier Estimator, PDF

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