Event History Analysis with R (Chapman & Hall/CRC The R by Göran Broström

By Göran Broström

With an emphasis on social technological know-how functions, Event background research with R offers an advent to survival and occasion background research utilizing real-life examples. preserving mathematical information to a minimal, the ebook covers key subject matters, together with either discrete and non-stop time info, parametric proportional dangers, and sped up failure occasions.


  • Introduces parametric proportional risks types with baseline distributions just like the Weibull, Gompertz, Lognormal, and Piecewise consistent possibility distributions, as well as conventional Cox regression
  • Presents mathematical information in addition to technical fabric in an appendix
  • Includes genuine examples with purposes in demography, econometrics, and epidemiology
  • Provides a committed R package deal, eha, containing unique remedies, together with making cuts within the Lexis diagram, growing communal covariates, and developing interval facts

A much-needed primer, Event heritage research with R is a didactically very good source for college students and practitioners of utilized occasion heritage and survival research.

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Extra info for Event History Analysis with R (Chapman & Hall/CRC The R Series)

Sample text

10 is duration (in years) since the day each man became 20 years of age. They are followed until death or age 40, whichever comes first. The right hand figure shows that approximately 25% of the men alive at age 20 died before they became 40. If the Kaplan–Meier estimator is wanted as numbers, use survfit in combination with coxreg or coxph. Since the output will have approximately as many rows as there are distinct event times, we illustrate it by taking a (small) random sample from mort. 891 The functions coxreg and coxph both fit Cox regression models, which is the topic of the next chapter.

In the examples to follow, we assume that this is already done. 5 The illness-death model. Demographic Data Base, Ume˚ a University, Sweden. se). Example 4 Survival of males aged 20 This data set is included in the R (R Development Core Team 2011) package eha (Brostr¨ om 2012). It contains information about 1023 males, age 20 between 1 January 1800 and 31 December 1819, and living in Skellefte˚ a, a parish in the north-east of Sweden. The total number of records in the data frame is 1211; that is, some individuals are represented by more than one record in the data file.

1) ⇒ in group k and k ψℓxℓ = h(t; x) = h0 (t) ℓ=1 h0 (t), x = (0, 0, . . , 0) h0 (t)ψj , xj = 1, j = 1, . . k With ψj = eβj , j = 1, . . 5) where β = (β1 , β2 , . . , βk ). 5) by letting the components of xi take any value. Let data and model take the following form: Data: (ti0 , ti , di , xi ), i = 1, . . , n, where • ti0 is the left truncation time point. If yi0 = 0 for all i, then this variable may be omitted. • ti is the end time point. • di is the “event indicator” (1 or TRUE if event, else 0 or FALSE ).

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