How to use Retain in SAS ? | SAS sequence number by group| SAS LOCF Concept

How to use Retain in SAS ? How to create SAS sequence number and SAS sequence number by group SAS LOCF ( Last Observation Carried Forward) Concept explanation.
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[@rashmipandey200]

This video was very useful for me sir. Thank you so much!!...please upload many more such videos on SAS..

[@pradeepvardhan4437]

THANK YOU

[@kalpsraju1]

How to populate a missing value like heartrate for a diff subjid with the first visit sir..given the sysbp n diabp n hr=.

[@gopithammaboina1670]

sir is possible to retain charecter variables

[@GreatOnlineTraining]

Yes we can retain the character variable also if required

[@manognamanu4470]

How to retain particular date where AEOUT is fatal for a particular subject to all different loglines of that subject

[@kalpsraju1]

If new subjid with only one visit has sysbp n diabp but heartrate missing then Hw to populate d missing value sir..bcse for d same subjid even with diff visits v can retain hr missing with prev visits..for new subjid Hw to populate hr can u help on this..

[@GreatOnlineTraining]

This you can fill only based on your specifications document 📃

[@adityabatra8894]

I want to learn cdisc sdtm Adam

[@GreatOnlineTraining]

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[@kalpsraju1]

If new subjid with only one visit has sysbp n diabp but heartrate missing then Hw to populate d missing value sir..bcse for d same subjid even with diff visits v can retain hr missing with prev visits..for new subjid Hw to populate hr can u help on this..