Displaying 1 result from an estimated 1 matches for "meanscore1".
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meanscore
2010 Apr 16
4
score counts in an aggregate function
...1 NA
2 1 4 NA 0
3 0 1 1 0
3 0 2 1 NA
3 0 3 1 0
3 0 4 0 0
I wound like to summarise the dataset such that i get something in the
format of
userid sumscore1 countscore1 meanscore1 sumscore2 countscore2
meanscore2
1 2 3 0.67 3
4 0.75
2 1 2 0.5 2
3 0.67
3 3 4 0.75...