Identifying Unused Observations in PROC PHREG
https://communities.sas.com/t5/Statistical-Procedures/Identifying-Unused-Observations-in-PROC-PHREG/...
Koen
Please consider providing an example data as a data step or SAS supplied data set such as used in the procedure example and specific Phreg code for that set. Then indicate with that known example what you want "tagged".
There are enough options with these procedures that somethings may be possible in certain conditions/data sets an not always others.
Have looked at the OUTPUT statement. Perhaps the LMAX option, which specifies the relative influence of observations on the overall fit of the model.
Identifying Unused Observations in PROC PHREG
https://communities.sas.com/t5/Statistical-Procedures/Identifying-Unused-Observations-in-PROC-PHREG/...
Koen
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