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Annotated data.

Results 253 anndata issues
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I'm reopening https://github.com/theislab/anndata/issues/558 as I'm still having this problem with latest anndata and h5py. It seems that anndata needs to be a bit more defensive about dtypes when writing to...

needs info
topic: io

Example: ```python import anndata as ad, pandas as pd, numpy as np adata = ad.AnnData(np.ones((3, 3)), obs=pd.DataFrame({"a": ["a", 2, 3]})) adata.write_h5ad("tmp.h5ad") ``` The traceback for this ends with: ```pytb TypeError:...

bug
topic: io

Projects to mention: ## R * [zelkconverter](https://theislab.github.io/zellkonverter/) * [MuData bioconductor package](https://github.com/ilia-kats/MuData) * [AnnData in R](https://cran.r-project.org/web/packages/anndata/readme/README.html) * [MuDataSeurat](https://pmbio.github.io/MuDataSeurat/) ## Julia * [Muon.jl](https://docs.juliahub.com/Muon/QfqCh/0.1.1/)

docs

**Description** When an anndata object is deleted in the current scope the underlying memory is not (reliably) freed as it is for numpy and others. The memory is kept allocated...

performance 🐌
Bug 🐛

We should have a contributing guide here. Really it should be almost exactly the same as scanpy's. Maybe we should just link to that for now?

enhancement
docs

# AnnData selectors *Note: I will be updating this to be easier to read, just wanted it up to share* ## Use case: Modified IO I would like to able...

enhancement
topic: io

When adding large numbers to X I get adata with inf value: ``` y=np.array(2.07547187e+114).reshape(1,1) y Out[72]: array([[2.07547187e+114]]) sc.AnnData(y) Out[73]: AnnData object with n_obs × n_vars = 1 × 1 sc.AnnData(y).X...

bug
needs info

The HDF5 file object is not explicitly closed here. In some cases, it causes the file to be locked even after `adata.file.close()`. It can be fixed by using the context...

needs info

When `isbacked == True and is_view == True` and the destination file is the same file, anndata will skip writing the `X` and cause unexpected behaviors. ## Code to reproduce:...

bug
topic: io
topic: backed
topic: views 👀

Hi I am a relatively new user to the `anndata` package and I think it is awesome. However, when trying to write an `h5ad` file from my object i receive...

bug
needs info