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Multilevel tools

Listed author(s):
  • Katja Möhring

    (Universität zu Köln)

  • Alexander Schmidt

    (Universität zu Köln)

The Stata package “multilevel tools” (mlt) includes a range of ado-files for postestimation after multilevel models (xtmixed/xtmelogit). Up to now, it contains three commands (more ado-files will be added in the future): mltrsq gives the Boskers/Snijders R-square and the Bryk/Raudenbusch R-square values. mltcooksd gives the influence measures Cook’s D and DFBETAs for the higher-level units in hierarchical mixed models. mltshowm presents how the model looks if those cases detected as influential are excluded from the sample. In our presentation, we will discuss the issue of influential cases in multilevel modeling. We will use some research examples to stress the importance of considering influential cases, particularly in multilevel analysis. We will show how the influence measures for second-level units are defined and how we calculate them.

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File URL: http://fmwww.bc.edu/repec/dsug2012/desug12_moehring.pdf
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Paper provided by Stata Users Group in its series German Stata Users' Group Meetings 2012 with number 06.

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Date of creation: 04 Jun 2012
Handle: RePEc:boc:dsug12:06
Contact details of provider: Web page: http://www.stata.com/meeting/germany12/

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  1. Achen, Christopher H., 2005. "Two-Step Hierarchical Estimation: Beyond Regression Analysis," Political Analysis, Cambridge University Press, vol. 13(04), pages 447-456, September.
  2. Gelman, Andrew, 2005. "Two-Stage Regression and Multilevel Modeling: A Commentary," Political Analysis, Cambridge University Press, vol. 13(04), pages 459-461, September.
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