.onAttach               Prints package startup message
apollo_addLog           Writes an entry to 'apolloLog'
apollo_attach           Attaches predefined variables.
apollo_avgInterDraws    Averages inter-individual draws
apollo_avgIntraDraws    Averages intra-individual draws
apollo_bootstrap        Bootstrap a model
apollo_choiceAnalysis   Reports market share for subsamples
apollo_cnl              Calculates probabilities of a cross nested
                        logit
apollo_combineModels    Combines separate model components.
apollo_combineResults   Write model results to file
apollo_conditionals     Calculates conditionals
apollo_deltaMethod      Delta method
apollo_detach           Detaches parameters and the database.
apollo_dft              Calculate DFT probabilities
apollo_drugChoiceData   Simulated dataset of medication choice.
apollo_el               Calculates exploded logit probabilities
apollo_estimate         Estimates model
apollo_firstRow         Keeps only the first row for each individual
apollo_fitsTest         Compares fit of model across categories
apollo_initialise       Prepares environment
apollo_insertRows       Inserts rows
apollo_keepRows         Keeps only some rows
apollo_lc               Calculates the likelihood of a latent class
                        model
apollo_lcConditionals   Calculates conditionals of a latent class
                        model.
apollo_lcUnconditionals
                        Returns draws for random parameters in a latent
                        class model model
apollo_llCalc           Calculates log-likelihood of all model
                        components
apollo_loadModel        Loads model from file
apollo_lrTest           Likelihood ratio test
apollo_makeCluster      Creates cluster for estimation.
apollo_makeDraws        Creates draws for models with mixing
apollo_makeLogLike      Creates log-likelihood function.
apollo_mdcev            Calculates MDCEV likelihoods.
apollo_mdcevInside      Calculates MDCEV likelihoods without an outside
                        good.
apollo_mdcevOutside     Calculates MDCEV likelihoods with an outside
                        good.
apollo_mdcnev           Calculates MDCNEV likelihoods with an outside
                        good.
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_nl               Calculates probabilities of a nested logit
apollo_normalDensity    Calculates density from a Normal distribution
apollo_ol               Calculates the probability of an ordered logit
                        model
apollo_outOfSample      Out-of-sample fit (LL)
apollo_panelProd        Calculates product of panel observations.
apollo_prediction       Predicts using an estimated model
apollo_prepareProb      Checks likelihood
apollo_printLog         Returns the log of Apollo
apollo_readBeta         Reads parameters from file
apollo_saveOutput       Saves estimation results to files.
apollo_searchStart      Searches for better starting values.
apollo_setRows          Sets specified rows to a given value
apollo_sharesTest       Compares predicted and observed shares
apollo_speedTest        Measures evaluation time of a model
apollo_splitDataDraws   Splits data and draws for loading in cluster
apollo_swissRouteChoiceData
                        Dataset of route choice.
apollo_timeUseData      Dataset of time use.
apollo_unconditionals   Returns draws for random parameters in a latent
                        class model model
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_weighting        Applies weights
apollo_writeF12         Writes an F12 file with the results of a model
                        estimation.
apollo_writeTheta       Writes the vector [beta,ll] to a file called
                        modelname_iterations.csv
