{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,4,5]],"date-time":"2022-04-05T16:20:16Z","timestamp":1649175616740},"reference-count":0,"publisher":"The R Foundation","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The R Journal"],"DOI":"10.32614\/rj-2021-098","type":"journal-article","created":{"date-parts":[[2022,2,14]],"date-time":"2022-02-14T02:03:50Z","timestamp":1644804230000},"page":"239","source":"Crossref","is-referenced-by-count":0,"title":["EMSS: New EM-type algorithms for the Heckman selection model in R"],"prefix":"10.32614","volume":"13","author":[{"given":"Kexuan","family":"Yang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sang,Kyu","family":"Lee","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jun","family":"Zhao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hyoung-Moon","family":"Kim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"17266","published-online":{"date-parts":[[2021]]},"container-title":["The R Journal"],"original-title":[],"language":"en","deposited":{"date-parts":[[2022,2,14]],"date-time":"2022-02-14T02:04:07Z","timestamp":1644804247000},"score":1,"resource":{"primary":{"URL":"https:\/\/journal.r-project.org\/archive\/2021\/RJ-2021-098\/index.html"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021]]},"references-count":0,"journal-issue":{"issue":"2","published-online":{"date-parts":[[2021]]}},"alternative-id":["10.32614\/RJ-2021-098"],"URL":"https:\/\/doi.org\/10.32614\/rj-2021-098","relation":{},"ISSN":["2073-4859"],"issn-type":[{"value":"2073-4859","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021]]}}}