.onAttach               Prints package startup message
apollo_addCovariance    Adds covariance matrix to Apollo model
apollo_attach           Attaches predefined variables.
apollo_avgInterDraws    Averages across inter-individual draws.
apollo_avgIntraDraws    Averages across intra-individual draws.
apollo_basTest          Ben-Akiva & Swait test
apollo_bootstrap        Bootstrap a model
apollo_checkArguments   Checks definitions of Apollo functions
apollo_choiceAnalysis   Reports market share for subsamples
apollo_classAlloc       Calculates class allocation probabilities for a
                        Latent Class model
apollo_cnl              Calculates Cross-Nested Logit probabilities
apollo_cnl2             Calculates Cross-Nested Logit probabilities
apollo_combineModels    Combines separate model components.
apollo_combineResults   Write model results to file
apollo_compareInputs    Compares the content of apollo_inputs to their
                        counterparts in the global environment
apollo_conditionals     Calculates conditionals
apollo_dVdB             Calculates gradients of utility functions
apollo_dVdBOld          Calculates gradients of utility functions
apollo_deltaMethod      Delta method for Apollo models
apollo_detach           Detaches parameters and the database.
apollo_dft              Calculate DFT probabilities
apollo_diagnostics      Pre-process input for common models return
apollo_drugChoiceData   Simulated dataset of medication choice.
apollo_el               Calculates Exploded Logit probabilities
apollo_emdc             MDC model with exogenous budget
apollo_emdc1            MDC model with exogenous budget
apollo_emdc2            Extended MDC
apollo_estimate         Estimates model
apollo_estimateHB       Estimates model using Bayesian estimation
apollo_expandLoop       Expands loops in a function or expression
apollo_firstRow         Keeps only the first row for each individual
apollo_fitsTest         Compares log-likelihood of model across
                        categories
apollo_fmnl             Calculates Fractional Multinomial Logit
                        probabilities
apollo_fnl              Calculates Fractional Nested Logit
                        probabilities
apollo_initialise       Prepares environment
apollo_insertComponentName
                        Adds componentName2 to model calls
apollo_insertFunc       Modifies function to make it compatible with
                        analytic gradients
apollo_insertOLList     Replaces 'tau=c(...)' by 'tau=list(...)' in
                        calls to 'apollo_ol'
apollo_insertRRMQuotes
                        Introduces quotes into rrm_settings
apollo_insertRows       Inserts rows
apollo_insertScaling    Scales variables inside a function
apollo_keepRows         Keeps only some rows
apollo_lc               Calculates the likelihood of a latent class
                        model
apollo_lcConditionals   Calculates conditionals for latent class
                        models.
apollo_lcEM             Uses EM for latent class model
apollo_lcEM_new         Uses EM for latent class model
apollo_lcUnconditionals
                        Returns unconditionals for a latent class model
                        model
apollo_llCalc           Calculates log-likelihood of all model
                        components
apollo_loadModel        Loads model from file
apollo_longToWide       Converts data from long to wide format.
apollo_lrTest           Likelihood ratio test
apollo_makeCluster      Creates cluster for estimation.
apollo_makeDraws        Creates draws for models with mixing
apollo_makeGrad         Creates gradient function.
apollo_makeHessian      Creates hessian function.
apollo_makeLogLike      Creates log-likelihood function.
apollo_mdcev            Calculates MDCEV likelihoods
apollo_mdcev2           Calculates MDCEV likelihoods
apollo_mdcnev           Calculates MDCNEV likelihoods
apollo_mixConditionals
                        Calculates conditionals for continuous mixture
                        models
apollo_mixEM            Uses EM for models with continuous random
                        coefficients
apollo_mixUnconditionals
                        Returns draws for continuously distributed
                        random parameters in mixture model
apollo_mlhs             Generate random draws using MLHS algorithm
apollo_mnl              Calculates Multinomial Logit probabilities
apollo_modeChoiceData   Simulated dataset of mode choice.
apollo_modelOutput      Prints estimation results to console
apollo_modifyUserDefFunc
                        Checks and modifies Apollo user-defined
                        functions
apollo_nl               Calculates Nested Logit probabilities
apollo_normalDensity    Calculates density for a Normal distribution
apollo_ol               Calculates Ordered Logit probabilities
apollo_op               Calculates Ordered Probit probabilities
apollo_outOfSample      Cross-validation of fit (LL)
apollo_ownModel         Calculates own model probabilities
apollo_panelProd        Calculates product across observations from
                        same individual.
apollo_preEstimate      Conducts all the pre-estimation steps for a
                        model
apollo_prediction       Predicts using an estimated model
apollo_prepareProb      Checks likelihood function
apollo_preprocess       Pre-process input for multiple models return
apollo_print            Prints message to terminal
apollo_readBeta         Reads parameters from file
apollo_rrm              Calculates Random Regret Minimisation model
                        probabilities
apollo_saveOutput       Saves estimation results to files.
apollo_searchStart      Searches for better starting values.
apollo_setRows          Sets specified rows to a given value
apollo_setWorkDir       Automatically sets working directory to active
                        file directory
apollo_sharesTest       Compares predicted and observed shares
apollo_sink             Starts or stops writing output to a text file.
apollo_speedTest        Measures evaluation time of a model
apollo_swissRouteChoiceData
                        Dataset of route choice.
apollo_timeUseData      Dataset of time use.
apollo_tobit            Calculates density for a Tobit model (censored
                        Normal)
apollo_unconditionals   Returns unconditionals for models with random
                        heterogeneity
apollo_validate         Pre-process input for common models return
apollo_validateControl
                        Validates apollo_control
apollo_validateData     Validates data
apollo_validateHBControl
                        Validates the 'apollo_HB' list of parameters
apollo_validateInputs   Prepares input for 'apollo_estimate'
apollo_varList          Lists variable names and definitions used
                        inside a function
apollo_varcov           Calculates variance-covariance matrix of an
                        Apollo model
apollo_weighting        Applies weights
apollo_writeF12         Writes an F12 file
apollo_writeTheta       Writes the vector [beta,ll] to a file called
                        'modelname_iterations.csv'
aux_validateRows        Validates and expands rows if necessary.
print.apollo            Prints brief summary of Apollo model
summary.apollo          Prints summary of Apollo model
