the first and last observation for each subject
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Thread (9 messages)
gallon li
the first and last observation for each subject
Jan 2
PIKAL Petr
Odp: the first and last observation for each subject
Jan 2
Carlos J. Gil Bellosta
the first and last observation for each subject
Jan 2
Jorge Ivan Velez
the first and last observation for each subject
Jan 2
Gabor Grothendieck
the first and last observation for each subject
Jan 2
Hadley Wickham
the first and last observation for each subject
Jan 2
Frank E Harrell Jr
the first and last observation for each subject
Jan 2
Stavros Macrakis
the first and last observation for each subject
Jan 2
Carlos J. Gil Bellosta
the first and last observation for each subject
Jan 2