Calculate cluster and cell type similarity based on the markers.
find_specific_marker(gene_name, f_list, type = "jacc")A list of markers belong to the cluster.
A list of markers belongs to a reference cell type.
A parameter to select the method to measure cluster and cell type similarity
jacc - Jaccard index.
ac - Accuracy.
f1 - F1 score.
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A vector of probabilties of a cluster belongs to cell types.