Gibbs_estimator         Wrapper around the Gibbs Sampler that returns
                        formatted liability estimates for the proband
PA_algorithm            Title Pearson-Aitken algorithm to calculate
                        mean values in truncated multivariate normal
                        distributions
attach_attributes       Attach attributes to a family graphs
censor_family_onsets    Censor onset times in a family based on a
                        proband's end of follow-up.
construct_covmat        Constructing a covariance matrix for a variable
                        number of phenotypes
construct_covmat_multi
                        Constructing a covariance matrix for multiple
                        phenotypes
construct_covmat_single
                        Constructing a covariance matrix for a single
                        phenotype
convert_age_to_cir      Convert age to cumulative incidence rate
convert_age_to_thresh   Convert age to threshold
convert_cir_to_age      Convert cumulative incidence rate to age
convert_format          Attempts to convert the list entry input format
                        to a long format
convert_liability_to_aoo
                        Convert liability to age of onset
convert_observed_to_liability_scale
                        Convert the heritability on the observed scale
                        to that on the liability scale
correct_positive_definite
                        Positive definite matrices
estimate_gen_liability_ltfh
                        Estimate genetic liability similar to LT-FH
estimate_liability      Estimating the genetic or full liability for a
                        variable number of phenotypes
estimate_liability_multi
                        Estimating the genetic or full liability for
                        multiple phenotypes
estimate_liability_single
                        Estimating the genetic or full liability
extract_estimation_info_graph
                        Title Internal Function used to extact input
                        needed from graph input for liability
                        estimation
extract_estimation_info_tbl
                        Title Internal Function used to extact input
                        needed for liability estimation
familywise_attach_attributes
                        Wrapper to attach attributes to family graphs
familywise_censoring    Censor Family Onsets for Multiple Families
fixSexCoding            Fixing sex coding in trio info
get_all_combs           construct all combinations of input vector
get_covmat              Construct kinship matrix from graph
get_family_graphs       Automatically identify family members of degree
                        n
get_onset_time          Calculate age of diagnosis, age at end of
                        follow up, and status
get_relatedness         Relatedness between a pair of family members
graph_based_covariance_construction
                        Constructing covariance matrix from local
                        family graph
graph_based_covariance_construction_multi
                        Constructing covariance matrix from local
                        family graph for multi trait analysis
graph_to_trio           Convert from igraph to trio information
kendler                 Title Kendler's FGRS
kendler_family_calculations
                        Title Helper function for Kendler's FGRS
prepare_graph           Construct graph from register information
prepare_thresholds      Calculate (personalised) thresholds based on
                        CIPs.
rtmvnorm.gibbs          Gibbs Sampler for the truncated multivariate
                        normal distribution
simulate_under_LTM      Simulate under the liability threshold model.
simulate_under_LTM_multi
                        Simulate under the liability threshold model
                        (multiple phenotypes).
simulate_under_LTM_single
                        Simulate under the liability threshold model
                        (single phenotype).
tnorm_mean              Title: Calculate the mean of the truncated
                        normal distribution
tnorm_mixture_conditional
                        Title: Calculates mean and variance of mixture
                        of two truncated normal distributions
tnorm_var               Title: Calculate the variance of the truncated
                        normal distribution
truncated_normal_cdf    CDF for truncated normal distribution.
