Description Usage Format Source References Examples
This data set was generates from sequentially randomized clinical trials as described in the simulation study of Lunceford, Davidian and Tsiatis (2002). It contains the following variables: "X" is the first-stage indicator, X=0 if assigned to A1, and X=1 if assigned to A2; "R" is the response status, R=1 for responders, and R=0 for non-responders; "Z" is the second-stage indicator among responders (R=1), Z=0 if assigned to B1, and Z=1 if assigned to B2; "U" is the observed survival time, U is death time if delta=1, and U is censoring time if delta=0; "delta" is the censoring indicator, delta=1 for event, and delta=0 for censored.
1 | LDTData
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A data frame with rows corresponding to patients.
Generated by Xinyu Tang in R
Lunceford JK, Davidian M, Tsiatis AA: Estimation of survival distributions of treatment policies in two-stage randomization designs in clinical trials. Biometrics 58:48-57, 2002
1 2 3 4 | ## Not run:
data("LDTdata")
## End(Not run)
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