Comments (6)
I have implemented an exemplary notebook of how to do this in the feature_evaluation branch
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List of feature evaluations to implement
-
embedding and clustering evaluation of features
-> to analyse if img features have the information to cluster spots/crops- compare embeddings/clusterings of different features + on different crop scalings
- compute silhouette scores
-
hyper parameter search over features, crop params, ..?.. for "optimal" clustering
-> get best features or crop options for optimising silhouette score or nmi with expression based clustering as reference
-> measure how good our clustering and how similar our clustering to expression clustering can be -
visual comparison between img feature and gene expression clusterings (mostly finished by Hannah, repeat with more features)
-> to analyse if img crops provide similar information as gene expressions- see feature_evaluation.ipynb
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visual feature sanity check (Louis)
-> check if computed feature results are reasonable- plot example crops for different feature values (crops for minimal cosine similarities)
- keep the function flexibel such that you can explore easily.
-
entropy of features
-> measure that tells us if single features are informative,
-> you could also select features based on that measure -
correlation between features
-> identify redundant features and correlative clusters of features
-> could also interesting for selecting a smaller set of interesting features
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if this is done, can you close this @LouisK92 ?
from squidpy.
not yet done, I am working on this with an example notebook.
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I think we can close it @hspitzer ?
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yeah, we can close it. There are some nice ideas here that we did not implement, because we decided to forgo the entire feature evaluation thing. Maybe we'll come back to this in the future - but certainly not now.
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Related Issues (20)
- Spatial network CSR matrix seems not symmetrical HOT 2
- Geographically weighted regression (GWR) for gene-gene correlation
- Do we need to normalization and scaling before calculating spatial autocorrelation?
- Cannot load Visium_FFPE_Mouse_Brain. Error: HTTP Error 403: Forbidden
- Cannot load Visium_FFPE_Mouse_Brain. Error: HTTP Error 403: Forbidden
- Cannot load Visium_FFPE_Mouse_Brain,Visium_FFPE_Human_Normal_Prostate. Error: HTTP Error 403: Forbidden
- Parameters of squidpy.gr.spatial_neighbors() HOT 1
- Comparisons between groups of samples HOT 5
- Memory Consumption Issue in CosMx.
- Any existing effort to port squidpy functionalities to R?
- Analysing 3D data
- Include more options for niche definitions HOT 1
- Allow for spatial perturbation screen analysis HOT 6
- sq.pl.spatial_scatter return_ax = True not working
- error when sq.im.segment HOT 2
- NaN value when importing Visium dataset HOT 9
- EuroPython talk that can give feature insights to SquidPy HOT 2
- Visium analysis with missing highres images
- Issue reading visium data when the GEX file is a matrix
- dated napari tutorial/documentation HOT 1
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