The PSMATCH Procedure - SAS

SAS/STAT User s GuideThe PSMATCH ProcedureThis document is an individual chapter fromSAS/STAT User s correct bibliographic citation for this manual is as follows: SAS Institute Inc. User s Guide. Cary, NC:SAS Institute User s GuideCopyright 2016, SAS Institute Inc., Cary, NC, USAAll Rights Reserved. Produced in the United States of a hard-copy book: No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or byany means, electronic, mechanical, photocopying, or otherwise, without the prior written permission of the publisher, SAS a web download or e-book: Your use of this publication shall be governed by the terms established by the vendor at the timeyou acquire this scanning, uploading, and distribution of this book via the Internet or any other means without the permission of the publisher isillegal and punishable by law.

provides three strategies for propensity score matching. Greedy nearest neighbor matching selects the control unit nearest to each treated unit. Greedy nearest neighbor matching is done sequentially for treated units and without replacement. Optimal matching selects all control units that match each treated unit by minimizing the total absolute

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  Control, Score, Match, Propensity, Propensity score

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