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---
viewer: true
tags:
- datasets
- polars
- lance
---
# Dataset Card for SLAF Dataset
## Dataset Description
Single-cell data in SLAF (Sparse Lazy Array Format) format. Contains 317 files with total size 0.68 GB.
## Usage
This dataset is in [SLAF (Sparse Lazy Array Format)](https://slaf-project.github.io/slaf/) format, which uses the [Lance](https://lance.org/) table format for storage.
You can use it with either the `slafdb` library (for SLAF format) or `pylance` library (for direct Lance access).
### Using SLAF (Recommended)
```bash
pip install slafdb
```
```python
hf_path = 'hf://datasets/pavan-ramkumar/test_direct_upload.slaf'
from slaf import SLAFArray
slaf_array = SLAFArray(hf_path)
slaf_array.query("SELECT * FROM cells LIMIT 5")
```
### Using Lance Directly
```bash
pip install pylance
```
```python
import lance
hf_path = 'hf://datasets/pavan-ramkumar/test_direct_upload.slaf'
ds = lance.dataset(f"{hf_path}/cells.lance")
ds.sample(10)
``` |