Timeline for Analyzing the effect of categorical variables on a correlation coefficient
Current License: CC BY-SA 3.0
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| Nov 21, 2018 at 15:36 | history | edited | gung - Reinstate Monica |
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| Sep 18, 2014 at 17:54 | answer | added | Masato Nakazawa | timeline score: 1 | |
| Sep 18, 2014 at 17:51 | comment | added | Alexis | In ANOVA and regression contexts, when you have interaction effects involving categorical variables, you will want to be sure to use effect coding rather than dummy coding to avoid creating artificial heteroscedasticity that will bias your estimates. For more depth on this point, see Glantz, S. A. and Slinker, B. (2000). Primer of Applied Regression and Analysis of Variance, chapter 8: Two-Way Analysis of Variance, pages 339–417. McGraw-Hill Medical, New York, NY, 2nd edition. | |
| Sep 18, 2014 at 17:19 | history | edited | Lefthands |
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| Sep 18, 2014 at 14:36 | review | First posts | |||
| Sep 18, 2014 at 15:20 | |||||
| Sep 18, 2014 at 14:35 | history | asked | Lefthands | CC BY-SA 3.0 |