Discover farr/AST203 Open Source project

A library for MCMC computations in Clojure.

mcmc-clojure

Clojure

mcmc-ocaml

OCaml Markov Chain Monte Carlo

An example of non-linear fitting through generative model building in astrophysics.

NonlinearFittingExample

An example of treating selection effects via summing over non-detections in Stan.

SelectionExample

Useful routines for plotting probability density functions and intervals from posterior samples using matplotlib.

plotutils

A romp through the field of modern astrostatistics.

Astrostatistics

A code to compute the secular dynamics of systems dominated by a central body.

Rings

Shell

PISNLineCosmography

Doing cosmography with the PISN "line."

Bindings to BLAS/LAPACK for Racket (nee PLT Scheme)

PLT-Racket-Linear-Algebra-Bindings

Racket

AlignedVersusIsoSpin

A calculation and paper comparing aligned and isotropic black hole spin models.

A companion to a lecture I gave at CCA GW group meeting showing how to analyze catalogs subject to selection effects.

CCASelectionTutorial

Code for fitting autoregressive (moving average, too!) models to unevenly sampled series.

arfit

Looking for ringdown signals from Kerr black holes in LIGO.

ringdown

A quick example use of ptemcee.

ptemcee-example

CARMATutorial

Ensemble Samplers for Julia

Ensemble.jl

skyarea

Sky Areas

Example using LAL codes to estimate effects of spin on LIGO detection rates

SpinSensitivity

A RNAAS on the accuracy requirements for empirically-determined selection functions.

SelectionAccuracy

Short, simple code to manipulate polynomials in a single variable in OCaml.

ocaml-poly

Parallel-tempered MCMC for radial velocity fitting of planetary orbit(s).

rvfitting

Analysis of the 30 Dor IMF using Schneider, et al. (2018)'s data, but better statistics.

30DorIMF

CARMA.jl

CARMA Models in Julia

Population modeling in Julia.

PopModels.jl

Library for solving 1-D non-linear equations in OCaml.

ocaml-solve

A kD tree datastructure in scheme.

scheme-kd-tree

Scheme

mcmc-denest

PLT Scheme code for MCMC and local density estimators.

Scheme

GW190521Sky

Checking association between an AGN and GW190521.

Comparing models of binary black hole formation in small clusters to LIGO data.

ClusterBHGW

BAO using BBH detections in 3G gravitational wave observatories.

GWBAO

Plots that I make of LIGO results for fun and profit.

LIGO-plots

A variational integrator with individual timesteps for N-body systems.

direct-nbody

Rates

Analog of scipy's gaussian_kde in Julia.

PointwiseKDEs.jl

GaussianKDEs.jl

Gaussian KDEs in Julia.

PDF Interpolator and Density Estimator

interp

TRAPPIST1

Some dynamical integrations surrounding TRAPPIST1.

Analysis of the effective spin distribution in GWTC-1 and predictions for the future.

kDEvidence

kD Tree Evidence Paper

PostScript

EffectiveSpinMass

Library for storing your MCMCChains without serialization.

MCMCChainsStorage.jl

Bindings for the GSL in MzScheme

mzgsl

Scheme

StanCosmography

A simple example of doing cosmography (redshift-distance fitting for cosmological parameters) in Stan.

Code for arXiv:0810.1548, Variational Integrators for Almost Integrable Systems.

VariationalAlmostIntegrable

Code for automatically rounding intervals consistently and produce LaTeX code for papers / presentations.

rounding

A simple example of fitting out viewing angle systematics on "bright sirens."

BrightSirenInclinationSystematics

Barnes-Hut-Tree

Barnes-Hut tree in OCaml

Paper on Black Hole X-Ray Binary Mass Distribution

BHMassPaper

AutoDiff.jl

Backward autodiff in Julia (based off ideas from Stony Brook PHY-604, but updated).

Code that computes evidence from SPINSpiral output

SPINSpiral-Evidence

LIGO Parameter Estimation Toy Code in OCaml

ocaml-lalinference

A library for gravitational N-body computations in Clojure.

Clojure-Nbody-Library

Clojure

PlanetIX

The search is on....

Derivation of the likelihood function for "statistical" H0 measurements using gravitational waves and galaxy catalogs.

H0StatisticalLikelihood

Strategies for managing downtime to optimize numbers of detections.

Million-Cores-Million-Bodies

vtoptimize

Code to model foreground and background rates from trigger data sets in two LIGO-like IFO's.

LIGOHamlet

Some code for hierarchical models of weak lensing.

HierarchicalLensing

LineCleaner

A short note on marginalizing out the spherical harmonic map coefficients using both Starry and Starry Process.

StarryStarryProcess

Playing with CARMA models for pulsar timing noise.

PulsarNoise

A note arising out of discussions with Tom Callister and the LIGO R&P group about re-weighting of samples to account for populations.

Reweighting

Selection Effects Model in Kepler

kepler-selection

Eigenlightcurves for Kepler.

elc

Counting with confusion tool

rates_tool

Galactic Black Hole Masses

bh-mass

Galactic binaries in LISA with Pyro.

GBPyro

Trying to replicate the Alsing+(2018) NS mass distribution.

AlsingNSMassReplication

Talk about fitting Bayesian hierarchical models with selection effects at FWAM 2024.

FWAM2024HierarchicalSelection

JavaScript

RVChallenge

Better noise models should enable better RV planet detection