Correction: A correlated topic model of Science

The Annals of Applie d Statistics 2007, V ol. 1, No. 2, 634 DOI: 10.1214 /07-A OAS136 c  Institute of Mathematical Statistics , 2 007 CORRECTION A CORRELA TED TOPIC MODEL OF SCIENCE Ann. Appl. Statist. 1 (2007 ) 17–35 By D a vid M. Ble i and John D. Laffer ty Princ e ton U niversity and Carne gie M el lon U niversity In our pap er that appeared in V o l. 1, No. 1 of The Annals of Applie d Statistics , the seco nd equation on page 24 should h av e an additional term + H( q d ). The correct v ersion of the equation is as follo ws: L ( µ , Σ , β 1: K ; w 1: D ) ≥ D X d =1 E q d [log p ( η d , z d , w d | µ , Σ , β 1: K )] + H( q d ) . Computer Science Dep ar tment Princeton University Princeton, New Jersey 08540 USA E-mail: blei@cs.princeton.edu Computer Science Dep art ment Machine Learning Dep ar tment Carnegie Mellon University Pittsburgh, Pennsyl v ania 1521 3 USA E-mail: laffert y@cs.cm u.edu This is a n electr onic reprint of the or iginal ar ticle published by the Institute of Mathematical Statistics in The Annals of Applie d St atistics , 2007, V ol. 1, No. 2, 634 . This reprint differs fr om the o r iginal in pag ination and t ypo graphic detail. 1