search for: 161524

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2003 Apr 11
4
Can I improve the efficiency of my scan() command?
...ng.df[, c(-6, -7, -22)] > attach(rating.df) > summary(rating.df) usage mileage sex excess ncd drivers S :125788 Min. : 288 F: 82208 0 : 4744 0: 880 1:100791 SB: 12581 1st Qu.: 5000 M:217792 100:161311 1: 2819 2:175100 SC:161524 Median : 8000 75 :133945 2: 5245 3: 19146 ST: 107 Mean : 7640 3: 5230 4: 4156 3rd Qu.:10000 4:285826 5: 515 Max. :40000 6: 69...