data_structure
The AnnData object stores a data matrix with associated annotations, providing a flexible framework for managing experimental data and metadata.
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Content
# AnnData Object Structure
The AnnData object stores a data matrix with associated annotations, providing a flexible framework for managing experimental data and metadata.
## Core Components
### X (Data Matrix)
The primary data matrix with shape (n_obs, n_vars) storing experimental measurements.
```python
import anndata as ad
import numpy as np
# Create with dense array
adata = ad.AnnData(X=np.random.rand(100, 2000))
# Create with sparse matrix (recommended for large, sparse data)
from scipy.sparse import csr_matrix
sparse_data = csr_matrix(np.random.rand(100, 2000))
adata = ad.AnnData(X
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