Kernelized Stein Discrepancy for Goodness-of-Fit Tests and Stein Sampling


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Documentation for package ‘steinsampling’ version 0.1.3

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steinsampling-package steinsampling: Kernelized Stein Discrepancy for Goodness-of-Fit Tests and Stein Sampling
compute_tau Compute the FSSD feature matrix
cross_kernel Evaluate a base kernel and its derivatives
custom_stein_kernel Create a Stein kernel from callbacks
densitygmm Create, sample, and evaluate a Gaussian mixture model
eval_kernel Evaluate a base kernel and its derivatives
find_median_distance Compute and set the squared kernel scale
fmin_grid Optimizers for Stein Points
fmin_mc Optimizers for Stein Points
fmin_nm Optimizers for Stein Points
fssd_grad_kernel Compute objective gradients for one FSSD test location
fssd_null_pvalue FSSD statistic and its null calibration
fssd_opt_test FSSD test with optimized test locations
fssd_rand_test FSSD test with random test locations
fssd_statistic FSSD statistic and its null calibration
fssd_test Finite Set Stein Discrepancy goodness-of-fit test
get_score_evaluator Create a score function for a fixed Gaussian mixture model
gmm Create, sample, and evaluate a Gaussian mixture model
grad_x_kernel Evaluate a base kernel and its derivatives
ksd_uq_matrix Build the Stein-kernel matrix for the KSD tests
ksd_u_bootstrap KSD-U statistic and its bootstrap
ksd_u_statistic KSD-U statistic and its bootstrap
ksd_u_test KSD-U goodness-of-fit test for independent observations
ksd_vq_matrix Build the Stein-kernel matrix for the KSD tests
ksd_v_bootstrap KSD-V statistic and its bootstrap
ksd_v_statistic KSD-V statistic and its bootstrap
ksd_v_test KSD-V goodness-of-fit test with wild-bootstrap calibration
mala Markov transitions for SP-MCMC
rgmm Create, sample, and evaluate a Gaussian mixture model
rwm Markov transitions for SP-MCMC
scale2_kernel Compute and set the squared kernel scale
sp_mcmc Select Stein points from short Markov chains
sp_mcmc_eval_candidates Select Stein points from short Markov chains
steinsampling steinsampling: Kernelized Stein Discrepancy for Goodness-of-Fit Tests and Stein Sampling
stein_codescent Refine Stein Points by coordinate descent
stein_kernel Create a built-in Stein kernel
stein_kernel_imq_score Create a score-distance IMQ Stein kernel
stein_kernel_inverse_log Create an inverse-log Stein kernel
stein_kernel_matrix Assemble the pairwise Stein-kernel matrix
stein_points Construct points by Stein discrepancy minimization
stein_thinning Select existing samples by Stein thinning
svgd Transport particles with Stein variational gradient descent
trace_mixed_kernel Evaluate a base kernel and its derivatives