How to Test Statistical Association Between Clusters and Conditions in scRNA-seq Data?
I have scRNA-seq data from 12 samples across 3 conditions, with 4 samples per condition. After integrating and clustering the data, I observed that cells in cluster X predominantly originate from condition 1. Specifically, cluster X contains 1000 cells in total—300 cells each from samples 1, 2, and 3 of condition 1, but only 100 cells from sample 4 of the same condition.
How can I statistically test whether cluster X is significantly associated with condition 1, despite one sample contributing relatively few cells to this cluster?
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fifty_fifty •
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See the relevant section in the OSCA book on differential abundance. It will guide you through doing the testing that you desire.
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