Displaying 1 result from an estimated 1 matches for "svydesignobject".
2013 Mar 26
1
Weighted Kaplan-Meier estimates with R
There are two ways to view weights. One is to treat them as case weights, i.e., a weight
of 3 means that there were actually three identical observations in the primary data,
which were collapsed to a single observation in the data frame to save space. This is the
assumption of survfit. (Most readers of this list will be too young to remember when
computer memory was so small that we had to