[R-meta] selection of studies with multiple criteria
How is it possible to select studies to be analyzed with rma by using two (or more criteria), for example: Gender = M and HealthStatus = 1? Thank you Patrizio -- Patrizio E. Tressoldi Ph.D. Dipartimento di Psicologia Generale Universit? di Padova via Venezia 8 35131 Padova - ITALY http://www.patriziotressoldi.it https://orcid.org/0000-0002-6404-0058 Science of Consciousness Research Group http://dpg.unipd.it/en/soc https://opensciences.org/about/manifesto-for-a-post-materialist-science Make war history support https://en.emergency.it