Marker combinations?

[innesbre]

Think about sets of genes that uniquely mark clusters (ie. CD4+ CD8-), rather than single gene markers.

[innesbre]

See https://arxiv.org/pdf/1407.1176.pdf and http://www-ikn.ist.hokudai.ac.jp/~arim/papers/komikdd2017draft.pdf

[innesbre]

This should probably be combined with the ability to restrict testing to gene sets (ie TFs, surface proteins),