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just-dna-seq/ensembl_variations

Ensembl Variations (Parquet Format) This dataset contains Ensembl human genetic variations converted to Parquet format for fast and efficient VCF annotation. Usage With Polars (Recommended) import polars as pl # Load variants for chromosome 21 df = pl.scan_parquet("hf://datasets/just-dna-seq/ensembl_variations/data/homo_sapiens-chr21.parquet") # Filter variants by position variants = df.filter( (pl.col("POS") >= 10000000) & (pl.col("POS") <=… See the full description on the dataset page: https://huggingface.co/datasets/just-dna-seq/ensembl_variations.

sourceHugging Faceapache-2.0updated 8mo agoView on Hugging Face
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Dataset Card

Ensembl Variations (Parquet Format)

This dataset contains Ensembl human genetic variations converted to Parquet format for fast and efficient VCF annotation.

Dataset Description

  • —Purpose: Fast annotation of VCF files with Ensembl variation data
  • —Format: Apache Parquet (columnar storage)
  • —Source: Ensembl Variation Database
  • —Updated: 2026-01-15
  • —Total Files: 25
  • —Total Size: ~13.7 GB

Usage

With Polars (Recommended)

python
import polars as pl

# Load variants for chromosome 21
df = pl.scan_parquet("hf://datasets/just-dna-seq/ensembl_variations/data/homo_sapiens-chr21.parquet")

# Filter variants by position
variants = df.filter(
    (pl.col("POS") >= 10000000) & (pl.col("POS") <= 20000000)
).collect()

print(variants)

License

This dataset is released under Apache 2.0 license. The original Ensembl data is available under their terms of use.

Maintenance

This dataset is maintained by the GenoBear project.