Displaying 1 result from an estimated 1 matches for "ae_dateend".
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  ae_dateended
  
2010 Apr 08
0
Reading dates in R using SQL and otherwise (and someinteresting behavior by the data editor)
...t how to get a class of date using my SQL command seems obvious to someone please let me know.
 
Thanks,
 
Paul
 
> mydata <- sqlQuery(channel, 
+ "select subject_number, 
+ ae, 
+ ae_ctcgrade, 
+ ae_relationship, 
+  ae_serious, 
+ cast(ae_datestarted as datetime) as ae_datestarted,  
+ ae_dateended, 
+ ae_ongoing
+  from adverse_events_detail")
> 
> class(mydata$ae_datestarted)
[1] "POSIXt"  "POSIXct"
> mode(mydata$ae_datestarted)
[1] "numeric"
> 
> head(mydata$ae_datestarted)
[1] "2008-10-23 CDT" "2008-10-21 CDT" "2...