Infrastructure

The Cosilico stack.

Open-source tools for building tax and benefit microsimulation systems. From encoded law to calibrated populations.

arch

IN DEV

Raw microdata archive and calibration targets database. CPS, ACS, SCF, PUF sources plus admin aggregates.

MicrodataCalibration targetsProvenanceMulti-source

microplex

LIVE
pip install microplex

Microdata synthesis and reweighting using normalizing flows. Generate billions of synthetic households.

Normalizing flowsZero-inflationL0 reweightingMulti-source

py-statmatch

LIVE
pip install py-statmatch

Statistical matching and data fusion using hot deck imputation.

NND hot deckGower distanceFrechet boundsR parity

fusiongan

RESEARCH

Generative model for synthetic microdata using adversarial training.

GANMulti-sourcePrivacy-preserving

popdgp

RESEARCH

Population dynamic graphical models. Learn joint distributions from multiple partial surveys.

QRFZero-inflatedConditional factorization

statute-graph

LIVE

Graph analysis of tax code dependencies. Identifies optimal encoding sequence from cross-references.

NetworkXDependency graphEncoding planning