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I would like to import only datas of my table where DATE>today-7days. But my datas in Oracle are 'dates' and in R are 'characters'. now_7<-format(Sys.time()-(7*60*60*24), "%Y-%m-%d 00:00:00") How to do? -- View this message in context: http://r.789695.n4.nabble.com/Compare-date-Oracle-with-Sys-time-tp4635624.html Sent from the R help mailing list archive at

I use sqldf to join 2 dataframes from 2 distinct databases : a and b come from old sqldf's. sqldf("select a.*, b.*, case a.QTY when null then b.QTY else a.QTY end as NEW_QTY" from a inner join b on a.OBJECT=b.OBJECT") R doesn't understand "when null". I tried with "when NA", "when '' ", "when ' ' " but it doesn't

Hi, I would like to run R with a script from MS-DOS. R is in "My Documents "and my script too. How to do? -- View this message in context: http://r.789695.n4.nabble.com/MS-DOS-script-R-tp4635398.html Sent from the R help mailing list archive at Nabble.com.