Timeline for How to determine sample size needed for sufficient power to compare between levels of a fixed effect in a mixed model?
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 20 at 0:46 | history | edited | kjetil b halvorsen♦ | CC BY-SA 4.0 |
added 103 characters in body
|
| Dec 7, 2023 at 7:51 | comment | added | Sointu | If you ran the code you already figured it out, but: remember that "cat_pred" was defined as a categorical predictor with 4 levels, labeled a,b,c, and d. In this case "cat_predb" is R's default way of referring to the a vs. b contrast in regression output. | |
| Dec 5, 2023 at 18:49 | comment | added | MM812 | This looks very promising, I'm trying it now! However, I have a question. In testing the a-b contrast, "cat_predb" has not yet been defined in this script. How is powerSim interpreting this string? | |
| Dec 4, 2023 at 10:57 | history | edited | Sointu | CC BY-SA 4.0 |
added 6 characters in body
|
| Dec 4, 2023 at 10:49 | history | edited | Sointu | CC BY-SA 4.0 |
added 192 characters in body
|
| Dec 4, 2023 at 10:00 | history | answered | Sointu | CC BY-SA 4.0 |