Description Usage Format Source

This data set is taken from Ibrahim, Joseph G. (1990). *Incomplete Data in Generalized Linear Models*. Journal of the American Statistical Association, Vol.85, No. 411, pp. 765 - 769. The original source is Feigl, P., and Zelen, M. (1965), *Estimation of Exponential Survival Probabilities With Concomitant Information*, Biometrics, 21, pp. 826-838.

1 |

A data frame with 33 observations on the following 3 variables.

`x1`

a numeric vector (covariate)

`x2`

a numeric vector (covariate)

`y`

a numeric vector (the dependent variable)

Feigl, P., and Zelen, M. (1965), *Estimation of Exponential Survival Probabilities With Concomitant Information*, Biometrics, 21, pp. 826-838.
Ibrahim, Joseph G. (1990). *Incomplete Data in Generalized Linear Models*. Journal of the American Statistical Association, Vol.85, No. 411, pp. 765 - 769.

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