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Functions that provide the top k items to be recommended to the user Id_u.
topkitems(CF, Id_u, k = 10, type = "user")
A CF objec
the user Id
an integer
"user" or "item"
Jessica Kubrusly
objectCF_r <- CFbuilder(Data = movies[1:500,], Datatype = "ratings",
similarity = "pearson")
u1 = rownames(objectCF_r$MU)[1]
topkitems(CF=objectCF_r,Id_u = u1)
u2 = rownames(objectCF_r$MU)[2]
topkitems(CF=objectCF_r,Id_u = u2)
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