search for: sample2899

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2010 Mar 30
1
dataframe in loop
..."3094" "3095" "3211" If I dont do the loop and query for one fund say 2899, gmret.2899<-sqlQuery(channel,"select caldt, mret from Monthly_returns where crsp_fundno = 2899 and caldt > 19900630 order by caldt") gmret.2899 It will give me what I want: sample2899<-head(gmret.2899) sample2899 caldt mret 1 19900731 0.014204546 2 19900831 -0.050420168 3 19900928 -0.039823009 4 19901031 0.006144393 5 19901130 0.054961832 6 19901231 0.019632639 Can anybody help me with the loop? Thanks a lot Muting