Arc-Length Statistics: Goodness of Fit, Distributions and a Bayesian Test


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Documentation for package ‘arcstat’ version 0.2.0

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admiss_rho Circular L-moments
al_band_model Band arc length of the normal reference curve (C back-end)
al_band_sample Sample band arc length of the empirical distribution curve (C back-end)
al_moments Exact mean, variance and support of the arc-length statistic (C back-end)
al_pvalue Saddlepoint right-tail probability of the arc-length statistic (C back-end)
al_scale Scale by arc-length band matching, in the scale-equivariant standardised form (C back-end)
al_statistic Arc-length goodness-of-fit statistic (C back-end)
al_test Arc-length goodness-of-fit test
arccirc The smooth circular arc-length family
arccirc_fr Fejer-Riesz form of the circular arc-length family
arcc_c3max Largest admissible shape parameter of the smooth circular family
arcc_exact_ci Exact confidence interval for the shape parameter of the wrapped order-three family
arcc_gof Goodness of fit of a fitted circular arc-length member
arclength Construct a quantile arc-length distribution
arcq Construct a quantile arc-length distribution
arc_generator Arc-length generator: transform a bounded-support base into a new distribution
bb_evidence Bayesian arc-length goodness-of-fit evidence
bb_post_disc Bayesian-bootstrap posterior arc-length discrepancies
bb_ref_disc Null reference distribution of the arc-length discrepancy
bc_cdf Beta-companion distribution function
bc_pdf Beta-companion density
bc_q Beta-companion quantile function (standardised support)
cf_arclength Arc length of the empirical characteristic function (C back-end)
cf_arclength_family Closed-form characteristic-function arc length for named families
darccirc The smooth circular arc-length family
darccirc_fr Fejer-Riesz form of the circular arc-length family
darcq Construct a quantile arc-length distribution
dgen Arc-length generator: transform a bounded-support base into a new distribution
dtemper_vm Arc-length tempering of a von Mises base
eqfit_bc The equivalence-system paper's fitting and simulation loops, in the back end
eqfit_bc_boot The equivalence-system paper's fitting and simulation loops, in the back end
eqfit_blocklen The equivalence-system paper's fitting and simulation loops, in the back end
eqfit_estsim The equivalence-system paper's fitting and simulation loops, in the back end
eqfit_k4eq The equivalence-system paper's fitting and simulation loops, in the back end
eqfit_k4eq_boot The equivalence-system paper's fitting and simulation loops, in the back end
eqfit_msim The equivalence-system paper's fitting and simulation loops, in the back end
eqfit_nullT The equivalence-system paper's fitting and simulation loops, in the back end
eqfit_score_at The equivalence-system paper's fitting and simulation loops, in the back end
eqfit_taus The equivalence-system paper's fitting and simulation loops, in the back end
eq_bstar Equivalence curve
eq_E Closed-form equivalence discrepancy
eq_E_sweep The equivalence-system paper's fitting and simulation loops, in the back end
eq_readings Quantile-domain induction readings and equivalence discrepancy for tilted beta-kernel quantile densities q(u) = u^alpha (1-u)^beta exp(sum theta_j P_j(u))
eq_readings_vsl Quantile-domain induction readings and equivalence discrepancy for tilted beta-kernel quantile densities q(u) = u^alpha (1-u)^beta exp(sum theta_j P_j(u))
eq_ub_quad Quadratic shoulder and mode of the kernel family
factorise_rho Circular L-moments
fit_arccirc Method-of-moments fit of the smooth circular arc-length family
fit_arccirc_fr Closed-form fit of the Fejer-Riesz circular arc-length family
fit_arcq Fit an arcq distribution to data by matching L-moments
fit_arcq_cf Closed-form L-moment fit of the order-two arcq family
k4_ab_sweep The equivalence-system paper's fitting and simulation loops, in the back end
k4_band_model Band arc lengths of a scaled kappa curve and of a data polyline
k4_band_sample Band arc lengths of a scaled kappa curve and of a data polyline
k4_band_trop_mean Exact mean of the tropical band arc length under Gaussian error
k4_b_sweep The equivalence-system paper's fitting and simulation loops, in the back end
k4_cdf Four-parameter kappa quantile, distribution and density functions
k4_fit_aleq Deterministic kappa fits: L-moment shape inversion, quantile-domain arc-length shape fit, curve-domain NLS and NALR (banded arc lengths of the running-median presmoothed polyline)
k4_fit_lmom Deterministic kappa fits: L-moment shape inversion, quantile-domain arc-length shape fit, curve-domain NLS and NALR (banded arc lengths of the running-median presmoothed polyline)
k4_fit_nalr Deterministic kappa fits: L-moment shape inversion, quantile-domain arc-length shape fit, curve-domain NLS and NALR (banded arc lengths of the running-median presmoothed polyline)
k4_fit_nls Deterministic kappa fits: L-moment shape inversion, quantile-domain arc-length shape fit, curve-domain NLS and NALR (banded arc lengths of the running-median presmoothed polyline)
k4_fit_varpro Variable-projection fit of the drifted kappa response
k4_icc One-way variance components and the intraclass correlation
k4_locus_dist Distance from fitted shapes to the equivalence locus
k4_mv_boot The fitting-method multiverse of one induction run: eight admissible pipelines under one moving-block residual bootstrap
k4_pdf Four-parameter kappa quantile, distribution and density functions
k4_q Four-parameter kappa quantile, distribution and density functions
k4_readings The two standard induction-period readings of a fitted kappa curve
k4_runmed Running median with shrinking symmetric windows at the edges
k4_tau34 Theoretical L-moment ratios of the standard kappa distribution
lmoments Theoretical L-moments of an arcq distribution
lmom_circ Circular L-moments
lmratios L-moment ratios (tau_3, tau_4, ...) from a vector of L-moments
parcq Construct a quantile arc-length distribution
pgen Arc-length generator: transform a bounded-support base into a new distribution
qarcq Construct a quantile arc-length distribution
qd_arccirc The smooth circular arc-length family
qd_arccirc_fr Fejer-Riesz form of the circular arc-length family
qmin_rho Circular L-moments
Q_arccirc The smooth circular arc-length family
Q_arccirc_fr Fejer-Riesz form of the circular arc-length family
rarccirc The smooth circular arc-length family
rarccirc_fr Fejer-Riesz form of the circular arc-length family
rarcq Construct a quantile arc-length distribution
rgen Arc-length generator: transform a bounded-support base into a new distribution
rho_arccirc The smooth circular arc-length family
rho_from_lmom Circular L-moments
sample_lmoments Sample L-moments of data
trigmom_arccirc The smooth circular arc-length family
trigmom_arccirc_fr Fejer-Riesz form of the circular arc-length family
trigmom_temper_vm Arc-length tempering of a von Mises base