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Survival times, in weeks, of 17 patients with acute leukemia. For these patients, their white blood cell counts (WBC) were recorded at the time of diagnosis. The variables are:

Usage

ALL_colosimo_table_4_3

Format

A data frame with 33 observations.

Details

  • times: time-to-event (in weeks).

  • status: censorship indicators.

  • wbc: WBC, white blood cells counts.

  • lwbc: base-10 logarithms of the WBC.

  • Ag_plus: whether the subject expresses the Calla antigen (Ag_plus = 1) or not (Ag_plus = 0).

References

Colosimo EA, Ruiz Giolo S (2006). “Modelos de Regressao Parametricos.” In Análise de Sobrevivência Aplicada, 123--134. Edgard Blucher, Sao Paulo. ISBN 978-8521203841.

Examples

data(ALL_colosimo_table_4_3)
hist(ALL_colosimo_table_4_3$time, main="", xlab="Time (Weeks)")