BatchStats

BatchStats computes statistics on data that arrives in batches, so you can stream or process large datasets without loading everything into memory. Feed batches with update_batch, then call the object to get the final result.

Installation

pip install batchstats

Or with conda/mamba:

conda install -c conda-forge batchstats

Quick Start

import numpy as np
from batchstats import BatchMean, BatchVar

data_stream = (np.random.randn(100, 10) for _ in range(10))

batch_mean = BatchMean()
batch_var = BatchVar()

for batch in data_stream:
    batch_mean.update_batch(batch)
    batch_var.update_batch(batch)

mean = batch_mean()
variance = batch_var()

print(f"Mean shape: {mean.shape}")
print(f"Variance shape: {variance.shape}")

Available Statistics

BatchSum / BatchNanSum
BatchWeightedSum
BatchMean / BatchNanMean
BatchWeightedMean
BatchMin / BatchNanMin
BatchMax / BatchNanMax
BatchPeakToPeak / BatchNanPeakToPeak
BatchVar
BatchStd
BatchCov
BatchCorr

Docs: https://batchstats.readthedocs.io

License
- OSI Approved :: MIT License
Operating System
- OS Independent
Programming Language
- Python :: 3

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