Calculate statistically significance of a small sample size
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15 days ago
luffy ▴ 20

Hello experts,

I have small data where i need calculate statistical significance but since the sample size is very small i am not sure which method to use and can i call any of significance because of the small numbers?

Here for example Gene group 1 has 14 presented with phenotype 1 how can i say this is statistical significant?

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Any help would be much appreciated

Thank you for your time

pearson R spearman statistics • 248 views
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If I understood it correctly, the test you are looking for is Fisher's exact test, in which you compare two groups (Gene group 1 and Gene group 2) and compare among those groups how many have phenotype I and how many don't. You should get a 2X2 table and run the test.

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@asaf Thank you for your response. Is it possible to use the other groups as well? the "other gene group" and "All VUS" to compare among all those 4 groups? 4x4 table using the Fisher's exact test? Thank you

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You could do that with Chi-square test. Just pay attention to what the test actually tests and how to determine which gene group is actually enriched.

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