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Polars

Definition
AI-generated

Polars is a DataFrame library (Rust core, Python and other bindings) designed for fast out-of-core and parallel query execution via lazy plans and explicit dtypes.

Topics
Programming
URL
https://pola.rs/
Related
pandas Python Rust

Why it matters in GWAS

Very large GWAS meta-analysis files and long-range annotation joins can be memory-bound in pure pandas; Polars-style lazy queries help express filters and joins clearly, but semantics differ from pandas and merit careful validation.

Example usage

"We scanned 50M-row summary statistics with Polars lazy scan_parquet, filtered on p-value and INFO, then sank to feather for downstream tools."

pandas Python Rust
Related-term network

Click any node to open that term page.

Node order. The current term is first. Next come every page linked from Related terms, in the same top-to-bottom order as that list. Then new terms appear in two-hop layers: for each of those direct neighbors (in that same order), their related terms are appended if not already listed. A third pass does the same for two-hop nodes. The walk stops when a fixed maximum number of nodes is reached.

References

  • Polars contributors. Polars user guide. https://docs.pola.rs/
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