Timeline for How should I implement this interaction between a continuous and categorical predictor?
Current License: CC BY-SA 3.0
7 events
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| Apr 13, 2017 at 12:44 | history | edited | CommunityBot |
replaced http://stats.stackexchange.com/ with https://stats.stackexchange.com/
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| May 9, 2015 at 6:41 | vote | accept | user1205901 - Слава Україні | ||
| May 4, 2015 at 11:55 | history | edited | Eric Farng | CC BY-SA 3.0 |
small error in explanation of #2, beta (remove "is zero") drops out of the equation
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| May 4, 2015 at 11:21 | history | edited | Eric Farng | CC BY-SA 3.0 |
added short description about point 3
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| May 4, 2015 at 11:20 | comment | added | Scortchi♦ | (+1) Concise & clear explanation. @user1205901: It might help you to rewrite the equation explicitly for each allowable combination of dummies to see the intercept & slopes for each level of the categorical variable. (Note that e.g. the second category is defined in full by $x_2=1$, $x_3=0$.) | |
| May 4, 2015 at 11:18 | history | edited | Scortchi♦ | CC BY-SA 3.0 |
added clarification of which combination of dummies defines a caetgory level
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| May 4, 2015 at 11:05 | history | answered | Eric Farng | CC BY-SA 3.0 |