preferentialSampling: preferentialSampling

Description Usage Arguments Value

View source: R/preferentialSampling.R

Description

preferentialSampling

Usage

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
preferentialSampling(
  data,
  d,
  n.sample,
  burnin,
  L_w,
  L_ca,
  L_co,
  L_a_ca,
  L_a_co,
  proposal.sd.theta = 0.3,
  m_aca = 2000,
  m_aco = 2000,
  m_ca = 700,
  m_co = 700,
  m_w = 700,
  target_aca = 0.75,
  target_aco = 0.75,
  target_ca = 0.75,
  target_co = 0.75,
  target_w = 0.75,
  target_loc = 0.75,
  self_tune_w = TRUE,
  self_tune_aca = TRUE,
  self_tune_aco = TRUE,
  self_tune_ca = TRUE,
  self_tune_co = TRUE,
  self_tune_loc = TRUE,
  delta_w = NULL,
  delta_aca = NULL,
  delta_aco = NULL,
  delta_ca = NULL,
  delta_co = NULL,
  delta_loc = NULL,
  beta_ca_initial = NULL,
  beta_co_initial = NULL,
  alpha_ca_initial = NULL,
  alpha_co_initial = NULL,
  beta_loc_initial = NULL,
  theta_initial = NULL,
  phi_initial = NULL,
  w_initial = NULL,
  prior_phi,
  prior_theta,
  prior_alpha_ca_var,
  prior_alpha_co_var
)

Arguments

data

List. Data input containing case, control counts, covariates.

d

Matrix. Distance matrix for grid cells in study region.

n.sample

Numeric. Number of MCMC samples to generate.

burnin

Numeric. Number of MCMC samples to discard as burnin.

L_w

Numeric. HMC simulation length parameter for spatial random effects.

L_ca

Numeric. HMC simulation length parameter for case covariates.

L_co

Numeric. HMC simulation length parameter for control covariates.

L_a_ca

Numeric. HMC simulation length parameter for case preferential sampling parameter.

L_a_co

Numeric. HMC simulation length parameter for control preferential sampling parameter.

proposal.sd.theta

Numeric. Standard deviation of proposal distribution for spatial range parameter.

m_aca

Numeric. Number of samples to apply self tuning for case preferential sampling parameter.

m_aco

Numeric. Number of samples to apply self tuning for control preferential sampling parameter.

m_ca

Numeric. Number of samples to apply self tuning for case covariates.

m_co

Numeric. Number of samples to apply self tuning for control covariates.

m_w

Numeric. Number of samples to apply self tuning for spatial random effects.

target_aca

Numeric. Target acceptance rate for case preferential sampling parameter.

target_aco

Numeric. Target acceptance rate for control preferential sampling parameter.

target_ca

Numeric. Target acceptance rate for case covariates.

target_co

Numeric. Target acceptance rate for control covariates.

target_w

Numeric. Target acceptance rate for spatial random effects.

target_loc

Numeric. Target acceptance rate for locational covariates.

self_tune_w

Logical. Whether to apply self tuning for spatial random effects.

self_tune_aca

Logical. Whether to apply self tuning for case preferential sampling paramter.

self_tune_aco

Logical. Whether to apply self tuning for control preferential sampling paramter.

self_tune_ca

Logical. Whether to apply self tuning for case covariates.

self_tune_co

Logical. Whether to apply self tuning for control covariates.

self_tune_loc

Logical. Whether to apply self tuning for locational covariates.

delta_w

Numeric. Required if self_tune_w is FALSE. HMC step size for spatial random effects.

delta_aca

Numeric. Required if self_tune_w is FALSE. HMC step size for case preferential sampling parameter.

delta_aco

Numeric. Required if self_tune_w is FALSE. HMC step size for control preferential sampling parameter.

delta_ca

Numeric. Required if self_tune_w is FALSE. HMC step size for case covariates.

delta_co

Numeric. Required if self_tune_w is FALSE. HMC step size for control covariates.

delta_loc

Numeric. Required if self_tune_w is FALSE. HMC step size for locational covariates.

beta_ca_initial

Numeric. Initial MCMC value for case covariate parameter.

beta_co_initial

Numeric. Initial MCMC value for control covariate parameter.

alpha_ca_initial

Numeric. Initial MCMC value for case preferential sampling parameter.

alpha_co_initial

Numeric. Initial MCMC value for control preferential sampling parameter.

beta_loc_initial

Numeric. Initial MCMC value for locational covariate parameter.

theta_initial

Numeric. Initial MCMC value for spatial range parameter.

phi_initial

Numeric. Initial MCMC value for spatial marginal variance parameter.

w_initial

Numeric. Initial MCMC value for spatial random effects.

prior_phi

List. Shape and scale values for prior distribution (Inverse Gamma) of marginal variance.

prior_theta

List. Shape and scale values for prior distribution (Gamma) of spatial range.

prior_alpha_ca_var

List. Prior (Independent Normal) variance of case covariates.

prior_alpha_co_var

List. Prior (Independent Normal) variance of control covariates.

Value

List containing posterior samples and associated tuning values.


brianconroy/preferential_surveillance documentation built on Nov. 23, 2021, 5:51 a.m.