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only some clusters are annotated #296

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@feanaros

Hello, I have a singlecell dataset composed by 8 clusters in a Seurat object that I converted into a Singlecellexperiment following the indications in the SingleR book. I annotated it on a reference dataset with the following parameters:

table(subset_c2_sce$RNA_snn_res.0.5)

  0   1   2   3   4   5   6   7 
483 453 382 366 335 243 228 122 


pred.subset <- SingleR(test = Counts, ref = subset_c2_sce, labels = subset_c2_sce$RNA_snn_res.0.5,
                       de.method = "wilcox")

table(pred.subset$pruned.labels)

   0    1    3    7 
  59  157 1529  188 

to.remove<- pruneScores(pred.subset, min.diff.med = 0.05)

# Create pruned labels
pruned_labels <- pred.subset$labels
pruned_labels[to.remove] <- "NI"

# Assign pruned labels to the metadata
tbx1$singleR <- as.factor(pruned_labels)
table(tbx1$singleR)

   0    1    3    7   NI 
   5  107 1147   14  660 

My question is... why the clusters 2-4-5-6 have not been annotated?

I tried to annotate them on another dataset, and again, there are only the labels of clusters 0-1-3-7

Thank you in advance

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