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Seurat cluster label transfer

I have a quick question: Let's say we integrate single-cell datasets "object_A" and "object_B" into "object_AB" using Seurat CCA integration. In the integrated "object_AB", we have new clusters with new cluster labels as "0, 1, 2, ...11". If I want to transfer these clusters labels to the UMAP projection of the original "object_A" based on corresponding cells' names (or barcode IDs), what kind of code could we use? After I transfer the cluster label, what kind of code can we run to project the object_AB cluster labels (0, 1, 2, ......11) onto the original UMAP of object_A ? I need to do these with Seurat in Rstudio.

Note that the cell names (or barcode IDs) of object_A and object_B changed in "object_AB" with the addition of suffix underline and numbers.

Please see attached image for "object_A" and "object_B" into "object_AB".

enter image description here

label transfer cluster seurat
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updated by Ram Ram • written by jackxu • jackxu

Thanks for your reply. I added a table and modify my question to be more clear. Do you have any suggestions? Thanks!

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written by jackxu • jackxu

Hi jackxu, why did you delete the post?

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written by Ram Ram

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