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Statistics review 8: Qualitative data – tests of association
This review introduces methods for investigating relationships between two qualitative (categorical) variables. The χ(2 )test of association is described, together with the modifications needed for small samples. The test for trend, in which at least one of the variables is ordinal, is also outlined...
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| Main Authors: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
BioMed Central
2004
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC420070/ https://ncbi.nlm.nih.gov/pubmed/14975045 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/cc2428 |
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