Comments (2)
Hi @ZeroLi-Bio , a dataset of 80k tissue spots is not a common input for SpotClean, as it was primarily designed for Visium data, which contains at most 5k spots.
For non-Visium data, rigorously speaking, the nature of spot swapping has not been scientifically verified (though we believe it is a common artifact across many protocols, and this is not hard to check - just check what's in the background spots, which shouldn't contain any expression), and there is no guarantee that the model assumption of SpotClean on spot swapping still holds true. Please be careful if you decide to apply SpotClean to non-Visium data.
For your idea of randomly partitioning spots into subsets (if I understand it correctly), I think that's a smart direction to explore. However, our model assumes that each spot contains spot-swapped expressions from all nearby spots. If only a subset of nearby spots are provided, the effect from the rest nearby spots are not modelled, and it could result in incorrect estimations.
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Thank you a lot!
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Related Issues (20)
- install for R <= 4.1.3 HOT 3
- Adapt to Spaceranger 2.0 output HOT 1
- Error in optim(x_init, .fn_optim, .gr_optim, method = "L-BFGS-B", obs_exp = obs_exp, : non-finite value supplied by optim HOT 15
- SpatialExperiment::spatialData now deprecated HOT 1
- Questions about tissue regions HOT 2
- Questions about the output HOT 1
- How to modify strength of SpotClean? HOT 5
- Issue due to missing spot barcodes in raw matrix HOT 10
- could spotclean work under situation that all spot 's tissue==1? that my ST data 's tissue position csv 's tissue is all 1,no o,that no backgroud spot HOT 3
- The "max difference of decontaminated expressions" HOT 4
- Error in createSlide(), 'barcodes in count matrix do not match barcodes in slide info' HOT 9
- The tissue photographs were presented in the wrong horizontal and vertical ratio HOT 2
- Error in convertToSeurat function, "Error in FUN(left, right) : non-numeric argument to binary operator" HOT 2
- Prepare for upcoming Seurat v5 release HOT 1
- SpotClean performance on 11x11mm slides and questions regarding to output HOT 1
- Error: non-finite value supplied by optim HOT 7
- Ensembl IDs to Gene Names
- Error in keepHighGene(raw_ts_data, verbose = verbose) : no slot of name "meta.data" for this object of class "Assay" HOT 5
- Spotclean() stalls on testdata HOT 2
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