Stata Journal Volume 19 Number 2: Table of contents

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Articles and Columnsqmodel: A command for fitting parametric quantile modelsM. Bottai and N. Orsinimixmcm: A community-contributed command for fitting mixtures of Markov chain models using maximum likelihood and the EM algorithmL. D. F. Saint-Cyr and L. Pietxtspj: A command for split-panel jackknife estimationY. Sun and G. DhaeneGeneralized two-part fractional regression with cmpJ. N. WulffStatistical analysis of the item-count technique using StataC.-l. TsaiFuzzy differences-in-differences with StataC. de Chaisemartin, X. D'Haultføeuille, and Y. GuyonvarchGrade functionsJ. L. GallupTips for calculating and displaying risk-standardized hospital outcomes in StataJ. Lenzi and S. PildavaNotes and CommentsSoftware UpdatesSoftware Updates