ADVANCED TECHNIQUES

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Difference in Differences

• Data, S. (2022, June). A guide to using the difference-in-differences regression model. Towards Data Science.

 

Poisson and Negative Binomial Models

Video

• Crowson, M. (2019). Poisson regression using SPSS: Predicting count outcome [video]. YouTube.

• Crowson, J. (2019). Poisson versus negative binomial regression in SPSS [video]. YouTube.

Web

• UCLA Advanced Research Computing. Poisson regression: SPSS data analysis examples.

• UCLA Advanced Research Computing. Negative binomial regression: SPSS data analysis examples.

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Multilevel (Mixed/Hierarchical) Models

Video

• Mod-U. (2017). Introduction to multilevel modeling [video]. YouTube.

• Crowson. (2019). Multilevel modeling in SPSS [video]. YouTube.

Web

• SPSS. (2005). Linear mixed-effects modeling in SPSS: An introduction to the MIXED procedure [PDF].

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Clusters

• Stata. cluster kmeans and kmedians [pdf].

• Makles, A. (2012). Stata tip 110: How to get the optimal k-means cluster solution. Stata Journal, 12(2), 347-351.