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jeanmidevacc/surprise_build_recos.py

Created March 15, 2022 12:11
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surprise_build_recos.py
def build_recommendations(model, userid, inventory, dfp_items, k=5):
dfp_recommendations = dfp_items[["title", "category", "year", "contentid"]]
dfp_recommendations["contentid"] = dfp_recommendations["contentid"].astype(str)
dfp_recommendations["rating_predicted"] = dfp_recommendations["contentid"].apply(lambda contentid: compute_ranking(model, str(userid), str(contentid)))
dfp_recommendations.sort_values("rating_predicted", ascending=False, inplace=True)
dfp_recommendations = dfp_recommendations.loc[dfp_recommendations["contentid"].isin(inventory) == False]
return dfp_recommendations.head(k).reset_index(drop=True)
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