polars-random 0.2.0

Polars plugin for generating random distributions

polars-random

Polars plugin for generating random distributions.

Description

polars-random is a Rust plugin for the Polars DataFrame library that provides functionality to generate random numbers through a new expression namespace called "random". It supports generating random numbers from various distributions such as uniform, normal, and binomial.

Installation

To use polars-random, install it using your favourite tool:

uv add polars-random

poetry add polars-random

pip install polars-random

Usage

Here are some examples of how to use the polars-random plugin:

Uniform Distribution

import polars as pl
import polars_random

df = pl.DataFrame({
    "values": [1.0, 2.0, 3.0]
})

random_series = (
    df
    .select(
        pl
        .col("values")
        .random.rand(seed=42)
    )
)

print(random_series)

Normal Distribution

import polars as pl
import polars_random

df = pl.DataFrame({
    "values": [1.0, 2.0, 3.0]
})

random_series = (
    df
    .select([
        pl
        .col("values")
        .random.normal(mean=0.0, std=1.0, seed=42)
    ])
)

print(random_series)