Description Usage Arguments Details
make co-occurrence matrix based on users or items
1 | coocCreate(df, base = "item", method = "co_times")
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df |
dataframe about users , items and rating, if |
base |
|
method |
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co_times
method will simpley get the co-occurrence times as result matrix
cell value,
jaccard
go one more step based on co_times
method, it will
caculate two items(or users) jaccard coefficient as matrix cell value,
rating_sim
use algorithm made by myself, it uses rating rating ratio
between two items(or users) rated by one user(or item) as matrix cell value.
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