{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T21:19:54Z","timestamp":1777929594911,"version":"3.51.4"},"reference-count":11,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2010,5,4]],"date-time":"2010-05-04T00:00:00Z","timestamp":1272931200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Stat Methods Med Res"],"published-print":{"date-parts":[[2011,8]]},"abstract":"<jats:p>We consider variable selection when missing values are present in the predictor variables. We compare using complete cases with multiple imputation using backward selection (backwards stepping) and least angle regression. These are studied using a data set from a rheumatological disease (myositis). We find that the coefficients are slightly different and the estimated standard errors are smaller in the complete cases (not a surprise). This seems to be due to the fact that because the estimated residual variance is small the complete cases are more homogeneous than the full data cases.<\/jats:p>","DOI":"10.1177\/0962280209358003","type":"journal-article","created":{"date-parts":[[2010,5,4]],"date-time":"2010-05-04T21:47:57Z","timestamp":1273009677000},"page":"429-444","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":10,"title":["Variable selection when missing values are present: a case study"],"prefix":"10.1177","volume":"20","author":[{"given":"Peter A","family":"Lachenbruch","sequence":"first","affiliation":[{"name":"Department of Public Health, Oregon State University, Corvallis, OR, USA,"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2010,5,4]]},"reference":[{"key":"atypb1","doi-asserted-by":"publisher","DOI":"10.1080\/03610919808813505"},{"key":"atypb2","doi-asserted-by":"publisher","DOI":"10.1198\/0003130043277"},{"key":"atypb3","doi-asserted-by":"publisher","DOI":"10.1214\/009053604000000067"},{"key":"atypb4","doi-asserted-by":"publisher","DOI":"10.1002\/sim.3177"},{"key":"atypb5","first-page":"46","volume":"72","author":"Bendel R.","year":"1977","journal-title":"Journal of the American Statistical Association"},{"key":"atypb6","volume-title":"Stata Statistical Software: Release 10","author":"StataCorp.","year":"2007"},{"key":"atypb7","volume-title":"Stepwise estimation for multiply imputed datasets","author":"Royston PR","year":"2008"},{"key":"atypb8","doi-asserted-by":"publisher","DOI":"10.1007\/978-1-4757-3462-1"},{"key":"atypb9","doi-asserted-by":"publisher","DOI":"10.1177\/1536867X0400400301"},{"key":"atypb10","doi-asserted-by":"publisher","DOI":"10.1177\/1536867X0500500204"},{"key":"atypb11","doi-asserted-by":"publisher","DOI":"10.1177\/1536867X0500500404"}],"container-title":["Statistical Methods in Medical Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0962280209358003","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0962280209358003","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T23:44:24Z","timestamp":1777679064000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/0962280209358003"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2010,5,4]]},"references-count":11,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2011,8]]}},"alternative-id":["10.1177\/0962280209358003"],"URL":"https:\/\/doi.org\/10.1177\/0962280209358003","relation":{},"ISSN":["0962-2802","1477-0334"],"issn-type":[{"value":"0962-2802","type":"print"},{"value":"1477-0334","type":"electronic"}],"subject":[],"published":{"date-parts":[[2010,5,4]]}}}