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SciHist

Batch execution utilities for data pipelines.

Provides utilities for running functions over combinations of metadata, automatically loading inputs and saving outputs.

Usage

from scihist import for_each, Fixed

for_each(
    process_data,
    inputs={"raw": RawData, "calibration": Fixed(Calibration, session="baseline")},
    outputs=[ProcessedData],
    subject=[1, 2, 3],
    session=["A", "B", "C"],
)

for_each

Executes a function for all combinations of metadata, loading inputs and saving outputs automatically.

Fixed

Wrapper to specify fixed metadata overrides for an input. Use when an input should be loaded with different metadata than the current iteration.

# Always load baseline from session="BL", regardless of current session
for_each(
    compare_to_baseline,
    inputs={
        "baseline": Fixed(StepLength, session="BL"),
        "current": StepLength,
    },
    outputs=[Delta],
    subject=[1, 2, 3],
    session=["A", "B", "C"],
)

Metadata

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