feigl {SMIR} | R Documentation |
The file contains the survival times in weeks of 33 patients suffering from acute myelogeneous leukaemia, and the values of two explanatory variables, white blood cell count in thousands and a positive or negative factor , positive values being defined by the presence of Auer rods and/or significant granulature of the leukaemic cells in the bone marrow at diagnosis, and negative values if both Auer rods and granulature are absent.
data(feigl)
A data.frame of 33 obs. of 3 variables:
[,1] | wbc | numeric, white blood cell count in thousands |
[,2] | time | integer, survival time in weeks |
[,3] | ag | Factor w/ 2 levels "+","-" |
See Ch.6 of SMIR
Feigl, P. and Zelen, M. (1965). "Estimation of exponential probabilities with concomitant information", Biometrics, 21, 826–38.