# \#modelling

**URL:** https://forum.surveyengine.com/tag/modelling/162.md

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## [Is there a way to add weights for the model?](https://forum.surveyengine.com/t/is-there-a-way-to-add-weights-for-the-model/451)

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**Author:** [@healthgov.asmph](https://forum.surveyengine.com/u/healthgov.asmph)\
**Replies:** 1\
**Last updated:** [22 June 2026 10:06 UTC](https://forum.surveyengine.com/t/is-there-a-way-to-add-weights-for-the-model/451 "2026-06-22T10:06:14Z")

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Hi SurveyEngine! We’ve gathered 1,125 responses for our DCE on specialists’ deployment preferences. We intended to have 125 respondents for each of the 9 specialties, but unfortunately, some specialties did not reach th…

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## [Model estimates (dummy levels)](https://forum.surveyengine.com/t/model-estimates-dummy-levels/168)

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**Author:** [@tmagor](https://forum.surveyengine.com/u/tmagor)\
**Replies:** 1\
**Last updated:** [12 August 2025 11:37 UTC](https://forum.surveyengine.com/t/model-estimates-dummy-levels/168 "2025-08-12T11:37:54Z")

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I’ve noticed that the SurveyEngine modeller reports estimates for all levels of dummy coded categorical variables. I am used to needing to omit a level when including categorical variables so as to avoid the “dummy vari…

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## [Excluding respondents in models](https://forum.surveyengine.com/t/excluding-respondents-in-models/63)

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**Author:** [@Freddo](https://forum.surveyengine.com/u/Freddo)\
**Replies:** 1\
**Last updated:** [13 February 2023 23:01 UTC](https://forum.surveyengine.com/t/excluding-respondents-in-models/63 "2023-02-13T23:01:49Z")

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Can I exclude certain respondents using “create model”?