bdm::multiBM Class Reference
Estimator for Multinomial density. More...
#include <libEF.h>
Public Member Functions | |
| multiBM () | |
| Default constructor. | |
| multiBM (const multiBM &B) | |
| Copy constructor. | |
| void | set_statistics (const BM *mB0) |
| Sets sufficient statistics to match that of givefrom mB0. | |
| void | bayes (const vec &dt) |
| Incremental Bayes rule. | |
| double | logpred (const vec &dt) const |
| void | flatten (const BMEF *B) |
| Flatten the posterior according to the given BMEF (of the same type!). | |
| const epdf & | posterior () const |
| const eDirich * | _e () const |
| void | set_parameters (const vec &beta0) |
| virtual void | set_statistics (const BMEF *BM0) |
| get statistics from another model | |
| virtual void | bayes (const vec &data, const double w) |
| Weighted update of sufficient statistics (Bayes rule). | |
| BMEF * | _copy_ () const |
| Flatten the posterior as if to keep nu0 data. | |
Mathematical operations | |
| virtual void | bayesB (const mat &Dt) |
| Batch Bayes rule (columns of Dt are observations). | |
| vec | logpred_m (const mat &dt) const |
| Matrix version of logpred. | |
| virtual epdf * | epredictor () const |
Constructs a predictive density  . | |
| virtual mpdf * | predictor () const |
| Constructs a conditional density 1-step ahead predictor. | |
Access to attributes | |
| const RV & | _drv () const |
| void | set_drv (const RV &rv) |
| void | set_rv (const RV &rv) |
| double | _ll () const |
| void | set_evalll (bool evl0) |
Protected Attributes | |
| eDirich | est |
| Conjugate prior and posterior. | |
| vec & | beta |
| Pointer inside est to sufficient statistics. | |
| double | frg |
| forgetting factor | |
| double | last_lognc |
cached value of lognc() in the previous step (used in evaluation of ll ) | |
| RV | drv |
| Random variable of the data (optional). | |
| double | ll |
| Logarithm of marginalized data likelihood. | |
| bool | evalll |
If true, the filter will compute likelihood of the data record and store it in ll . Set to false if you want to save computational time. | |
Extension to conditional BM | |
| This extension is useful e.g. in Marginalized Particle Filter (bdm::MPF). Alternatively, it can be used for automated connection to DS when the condition is observed | |
| const RV & | _rvc () const |
| access function | |
| virtual void | condition (const vec &val) |
Substitute val for rvc. | |
| RV | rvc |
| Name of extension variable. | |
Logging of results | |
| void | set_options (const string &opt) |
| Set boolean options from a string. | |
| void | log_add (logger *L, const string &name="") |
| Add all logged variables to a logger. | |
| void | logit (logger *L) |
| ivec | LIDs |
| IDs of storages in loggers. | |
| bool | opt_L_bounds |
| Option for logging bounds. | |
Detailed Description
Estimator for Multinomial density.Member Function Documentation
| void bdm::multiBM::bayes | ( | const vec & | dt | ) | [inline, virtual] |
Incremental Bayes rule.
- Parameters:
-
dt vector of input data
Reimplemented from bdm::BMEF.
References beta, est, bdm::BM::evalll, bdm::BMEF::frg, bdm::BMEF::last_lognc, bdm::BM::ll, and bdm::eDirich::lognc().
| double bdm::multiBM::logpred | ( | const vec & | dt | ) | const [inline, virtual] |
Evaluates predictive log-likelihood of the given data record I.e. marginal likelihood of the data with the posterior integrated out.
Reimplemented from bdm::BM.
References bdm::eDirich::_beta(), beta, est, bdm::BM::evalll, bdm::BMEF::frg, bdm::BMEF::last_lognc, and bdm::eDirich::lognc().
The documentation for this class was generated from the following file:
