Alternative analytic and matching approaches for the prevalent new‐user design: A simulation study
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DOI: 10.1002/pds.5446
Abstract: To describe the creation of prevalent new user (PNU) cohorts and compare the relative bias and computational efficiency of several alternative analytic and matching approaches in PNU studies. read more here.
Keywords: alternative analytic; analytic matching; matching approaches; prevalent new ... See more keywords
Improved covering-based collaborative filtering for new users’ personalized recommendations
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DOI: 10.1007/s10115-020-01455-2
Abstract: User-based collaborative filtering (UBCF) is widely used in recommender systems (RSs) as one of the most successful approaches, but traditional UBCF cannot provide recommendations with satisfactory accuracy and diversity simultaneously. Covering-based collaborative filtering (CBCF) is… read more here.
Keywords: collaborative filtering; covering based; personalized recommendations; new users ... See more keywords
Improving sparsity and new user problems in collaborative filtering by clustering the personality factors
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DOI: 10.1007/s10660-018-9287-x
Abstract: In collaborative filtering recommender systems, items recommended to an active user are selected based on the interests of users similar to him/her. Collaborative filtering systems suffer from the ‘sparsity’ and ‘new user’ problems. The former… read more here.
Keywords: collaborative filtering; user; user problems; personality ... See more keywords
Initiator Types and the Causal Question of the Prevalent New User Design: A Simulation Study.
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DOI: 10.1093/aje/kwaa283
Abstract: New user designs restricting to treatment initiators have become the preferred design for studying drug comparative safety and effectiveness using non-experimental data. This design reduces confounding by indication and healthy adherer bias at the cost… read more here.
Keywords: treatment; study; user design; prevalent new ... See more keywords
Invited Commentary: The Prevalent New User Design in Pharmacoepidemiology: Challenges and Opportunities.
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DOI: 10.1093/aje/kwaa284
Abstract: The prevalent new user design includes a broader study population than the traditional new user approach that is frequently used in pharmacoepidemiologic research. In an article appearing in this issue (Am J Epidemiol. XXXX;XXX(XX):XXXX-XXXX), Webster-Clark… read more here.
Keywords: user design; invited commentary; prevalent new; new user ... See more keywords
The prevalent new-user design for studies with no active comparator: The example of statins and cancer.
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DOI: 10.1097/ede.0000000000001628
Abstract: BACKGROUND Observational studies evaluating the effect of a drug versus "non-use" are challenging, mainly when defining cohort entry for non-users. The approach using successive monthly cohorts to emulate the randomized trial can be perceived as… read more here.
Keywords: design; prevalent new; user design; new user ... See more keywords
Envisioning the future role of librarians: skills, services and information resources
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DOI: 10.1108/lm-01-2017-0001
Abstract: The purpose of this paper is to conceptualize the future of academic libraries in the era of new user needs, new skills for staff and services offered. The literature shows the evolution of new technologies… read more here.
Keywords: envisioning future; paper; role; user needs ... See more keywords