Displaying 3 results from an estimated 3 matches for "rank3".
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rank
2006 Sep 19
2
looking for some functions to analyze a data set.
Hi R-users
I have a data set. There are 10 products and the numbers of people who
ranked the products.
The format of the data set is
productID rank1 rank2 rank3 rank4 rank5 rank6 rank7 rank8 rank9 rank10
-------------------------------------------------------------------------------------------------------
1 10
2 3
3 6
4 2
5 24
6 8
7 3
8...
2004 Jun 01
1
Making a ranking algorithm more efficient
...ws (points in objective function space)
for(i in ind.row) {
set <- ind.row
for (j in ind.col) { # Loop thru objective functions
set <- set[ obj.array[set,j] <= obj.array[i,j] ]
}
rank.vec[i] <- length(set)
}
return(rank.vec)
} # end PARETO.RANK3()
Can anyone think of a way to do this more efficiently, for example by
vectorizing further?
Thanks,
Scott Waichler
scott.waichler at pnl.gov
2012 Apr 22
1
Transform dataframe
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