bdm::EpdfDS Class Reference
Simulate data from a static pdf (epdf). More...
Detailed Description
Simulate data from a static pdf (epdf).
Trivial example of a data source, could be used for tests of some estimation algorithms. For example, simulating data from a mixture model and feeding them to mixture model estimators.
#include <datasources.h>
Public Member Functions | |
| void | step () |
Moves from  to  , i.e. perfroms the actions and reads response of the system. | |
| void | getdata (vec &dt_out) |
| Returns full vector of observed data=[output, input]. | |
| void | getdata (vec &dt_out, const ivec &ids) |
| Returns data records at indeces. | |
| const RV & | _drv () |
| void | from_setting (const Setting &set) |
| void | validate () |
| This method TODO. | |
| virtual int | max_length () |
| Returns maximum number of provided data, by default it is set to maximum allowed length, shorter DS should overload this method! See, MemDS.max_length(). | |
| virtual void | write (vec &ut) |
| Accepts action variable and schedule it for application. | |
| virtual void | write (vec &ut, const ivec &indeces) |
| Accepts action variables at specific indeces. | |
| virtual void | log_add (logger &L) |
| Register DS for logging into logger L. | |
| virtual void | logit (logger &L) |
| Register DS for logging into logger L. | |
| virtual const RV & | _drv () const |
| access function | |
| const RV & | _urv () const |
| access function | |
| const RV & | _yrv () const |
| access function | |
| virtual void | set_drv (const RV &yrv, const RV &urv) |
| set random variables | |
| virtual string | to_string () |
| This method returns a basic info about the current instance. | |
| virtual void | to_setting (Setting &set) const |
| This method save all the instance properties into the Setting structure. | |
Protected Attributes | |
| shared_ptr< epdf > | iepdf |
| internal pointer to epdf from which we samplecond | |
| vec | dt |
| internal storage of data sample | |
| int | dtsize |
size of data returned by getdata() | |
| int | utsize |
| size of data | |
| int | ytsize |
| size of output | |
| RV | Drv |
Description of data returned by getdata(). | |
| RV | Urv |
Description of data witten by by write(). | |
| RV | Yrv |
| Description of output data. | |
| int | L_dt |
| Remember its own index in Logger L. | |
| int | L_ut |
Member Function Documentation
| void bdm::EpdfDS::from_setting | ( | const Setting & | set | ) | [inline, virtual] |
class = "EpdfDS"; epdf = {class="epdf_offspring", ...}// uncondtitional density to sample from
Reimplemented from bdm::root.
References bdm_assert, dt, bdm::DS::dtsize, iepdf, bdm::DS::set_drv(), and bdm::DS::utsize.
The documentation for this class was generated from the following file:
