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Hi all, I?m struggling to get the dates in proper format. I have dates as factors and is in the form 02/27/34( 34 means 1934). If I use as.Date with format %d%m%y it gets converted to 2034-02-27. I tried changing the origin in the as.Date command but nothing worked. Any help is appreciated. Thanks, Ramesh

...strptime and the details for %y. You can either append ?19? to the start of your year variable to make it completely express the year or check if the date is in the future (assuming all dates should be in the past) and subtract 100 years from the date. > On Dec 28, 2017, at 11:13 AM, Ramesh YAPALPARVI <ramesh.yapalparvi at icloud.com> wrote: > > Hi all, > > I?m struggling to get the dates in proper format. > I have dates as factors and is in the form 02/27/34( 34 means 1934). If I use > > as.Date with format %d%m%y it gets converted to 2034-02-27. I tried changing t...

Hi all, I'm using RODBC library to connect to a database. I'm trying to read a table from a database and after manipulating it would like to write to the same database but with a different table P<-data.frame(sqlQuery(myconn,'select? *? from Demographics')) sqlSave(myconn,p,tablename="trial",rownames=FALSE) I'm gettng this error Version:1.0

Hi all, I'm using the medical risk package to determine the risk stratification Index based on the ICD9 codes. Although, I have been successful in using it, I'm unable to interpret the output. here is the sample code # Calculate RSI for each patient ("id") in dataframe cases <- data.frame(id=c(1,1,1,2,2,2,2,2), +