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A data frame with 10 multiply imputed datasets of 265 observations each on 17 variables related to low back pain.
lbpmicox
A data frame with 2650 observations on the following 18 variables.
a numeric vector
dichotomous event
continuous follow up time variable
continuous
dichotomous
categorical
data(lbpmicox) ## maybe str(lbpmicox)
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