Randomized Matrix Computations from Few Entries and Products


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Documentation for package ‘matsketch’ version 0.1.0

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diag_est Stochastic diagonal estimation
effective_dim Effective dimension and recommended preconditioner rank
grm_matrix Lazy genomic relationship matrix
kernel_matrix Lazy kernel matrix
nystrom Randomized Nystrom approximation
nystrom_precond Nystrom preconditioner
pcg Preconditioned conjugate gradients
plot.pcg_result Plot the convergence of a conjugate gradient solve
plot.reml_sketch Plot the path of a REML fit
plot.rpchol Plot the error of a randomly pivoted Cholesky approximation
reml_exact Variance components by exact dense REML
reml_sketch Variance components by sketched REML
rpchol Randomly pivoted Cholesky
sim_genomic Simulate a genomic data set
trace_est Stochastic trace estimation