Comments (4)
I am also interested in this
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@NikicaJEa, if you only select a subset of genes for training, SGD is not necessary - you can safely turn it off to enable a canonical logistic regression.
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Thanks for your reply @ChuanXu1. I experimented with all possible combinations I could think of: with/without SGD, mini batching, balance_cell_type, without subseting genes, with feature selection step. Unfortunately, none of these combinations yielded results comparable to the original immune_low model. Now I understand there is always some degree of randomness to be expected, but this is more than I would expect. It would be beneficial to understand the specific parameters under which the original model was trained.
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@NikicaJEa, to produce a model with comparable performance versus the built-in models, you can use the same set of genes (which you had already done plus check_expression = False) and increase the number of iterations (for example, max_iter = 1000), with all other parameters being the defaults.
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Related Issues (20)
- " have completed preprocessing and cell clustering. " HOT 2
- codes for harmonizing the cell labels HOT 2
- the question about conf_score HOT 3
- CellTypist_Immune_Reference_v2 question HOT 2
- Cluster-level label prediction HOT 1
- Running celltypist with concatenated dataset HOT 3
- Running the CellTypist training function celltypist.train on a subset of genes HOT 1
- ValueError in celltypist.annotate HOT 3
- is it available to generate model.pkl file from a marker gene list HOT 1
- Feature: Support Rapids-singlecell HOT 1
- Request: allow to specify AnnData layer to use HOT 1
- confidence score definition HOT 2
- Issues running with conda HOT 3
- Using model trained by scRNA-seq datasets to predict Spatial transcriptmoic dataset HOT 2
- Unable to allocate xxx GiB for an array with shape and data type float64 HOT 2
- Running `celltypist.annotate` with `min_prop` can't create "Heterogeneous" category HOT 2
- Use of metacells? HOT 4
- unable to download models HOT 3
- Feature Request: Store freqs in annotation when majority_vote set to True HOT 2
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