TaskET
TaskET()
luaTable
- to store named parameters
DataTable | the DataTable, this task is based on |
Description | Textual description of this object (up to 65535 characters) |
DisabledFlag | If this task is disabled and cannot be run |
ETTrunkCountMax | Maximal number of generated decision rules |
FullDepthTreesOnlyFlag | Whether to generate the full-trees only. Set to false for generating partial trees also. |
HypothesisCountMax | Maximal number of hypotheses before generation is interrupted |
ID | Unique identifier (primary key) of the object |
Name | Unique name of this object. Cannot be empty. |
NodeFrequencyMin | Minimal node frequency (a node is not expanded further if below) |
NodePurityMin | Desired minimal node purity (a node is not expanded further if reached) |
Note | Text comment to this object (up to 255 characters) |
PrunePermutationFullFlag | Whether to prune the full-length permutation of attributes |
PrunePermutationFullFlag | Whether to prune splits with the same-class leaves |
SplitAttributesMax | Maximal number of splits |
SplitMaxDecreasePerLevel | Max-split-number decrease per level |
SplitSignificanceChiSqAlpha | Chi-square significance level |
SplitSignificanceChiSqTestFlag | Whether to perform the ChiSq test for an attribute selection |
StoreDecisionTreesFlag | Whether to store decision trees after they are generated |
StoreETTrunkFlag | Whether to store decision rules after they are generated |
TargetSetting | the ETAttributeSetting, target class setting |
TaskGenerationStatus | Status code for task, see TaskGenerationStatus codes |
TaskGroup | the TaskGroup, this task belongs to |
TestingDataSplitPercentage | The size of testing data (in percent of the whole data) for preparing random sample |
TestingFolds | Number of folds for the cross-validation testing |
TreeCountMax | Maximal number of generated decision trees |
TreeDepthMax | Maximal tree depth frequency (it is not expanded further if reached) |
TreeQualityMin | Threshold value for minimal tree quality |
TreeQualityMinTestFlag | Whether to test minimal tree quality |
canDel () | Returns true if the object could be deleted (is not used) |
clone () | Creates a clone (an exact copy) of this task |
findETPartialGroupSetting () | Tries to look-up a ETPartialGroupSetting with a unique property given as parameter. Just one parameter has to be specified. Returns nil if ETPartialGroupSetting with this property doesn't exists. |
findFTWholeCedentSetting () | Tries to look-up a FTWholeCedentSetting with a unique property given as parameter. Just one parameter has to be specified. Returns nil if FTWholeCedentSetting with this property doesn't exists. |
findHypothesis () | Tries to look-up a Hypothesis with a unique property given as parameter. Just one parameter has to be specified. Returns nil if Hypothesis with this property doesn't exists. |
findHypothesisGroup () | Tries to look-up a HypothesisGroup with a unique property given as parameter. Just one parameter has to be specified. Returns nil if HypothesisGroup with this property doesn't exists. |
getDataTable () | Returns the DataTable this task is based on, the value of DataTable property |
getETPartialGroupSettingCount () | Returns number of ETPartialGroupSettings for attributes in this task |
getFTWholeCedentSettingCount () | Returns number of whole cedents in this task |
getHypothesisCount () | Returns number of hypotheses in this task (if the value of TaskGenerationStatus property is equal or greater then Running, see TaskGenerationStatus codes |
getHypothesisCountMax () | Returns the value of HypothesisCountMax property |
getHypothesisGroupCount () | Returns number of groups of hypotheses in this task |
getID () | Returns unique identifier (primary key) of the object |
getName () | Returns the value of Name property, name of this object |
getNote () | Returns the value of Note property |
getTaskGenerationStatus () | Returns the value of TaskGenerationStatus property |
getTaskGenerationStatusStr () | Returns textual description of the value of TaskGenerationStatus property |
getTaskGroup () | Returns the TaskGroup this task belongs to, the value of TaskGroup property |
getTaskSubTypeCode () | Returns code of sub-type of this task (type of patterns it looks for), see TaskSubType codes |
getTaskSubTypeKey () | Returns unique string key of sub-type of this task (type of patterns it looks for) |
getTaskSubTypeName () | Returns string representation of sub-type of this task (type of patterns it looks for) |
getTestingTypeCode () | Returns code of testing type, see TestingType codes |
getTestingTypeKey () | Returns unique string key of testing type |
getTestingTypeName () | Returns string representation of testing type |
isDisabledFlag () | Returns the value of DisabledFlag property |
isTaskGenerationStatusFinished () | Returns true when the value of TaskGenerationStatus property is Solved, Interrupted or Failed |
isTaskGenerationStatusInProcess () | Returns true when the value of TaskGenerationStatus property is Request, Waiting or Running |
onAdd () | Store the newly created object into metabase |
onDel () | Delete the object from metabase (fails if canDel returns false) |
onUpdate () | Save changes made to the object into metabase |
prepareETPartialGroupSettingArray () | Returns array of ETPartialGroupSettings (groups of attributes in this task) |
prepareFTWholeCedentSettingArray () | Returns array of FTWholeCedentSettings (the whole cedents in this task) |
prepareHypothesisArray () | Returns array of hypotheses in this task. Returns objects of a descendant class corresponding to this task type (ie. HypothesisFT for TaskFT etc.) |
prepareHypothesisGroupArray () | Returns array of groups of hypotheses in this task |
queryTaskGenerationStatus () | Re-reads the task state from metabase and returns 1 if the the state has changed from isTaskGenerationStatusInProcess to isTaskGenerationStatusFinished, otherwise returns 0 |
runAndWaitForResults () | Starts the data-mining task and waits till it has finished |
runAsync () | Starts the task (if not already in isTaskGenerationStatusInProcess) in a parallel thread and returns immediately |
setDisabledFlag () | Sets the value of DisabledFlag property |
setHypothesisCountMax () | Sets the value of HypothesisCountMax property |
setName () | Sets the value of Name property, name of this object (must be unique) |
setNote () | Sets the value of Note property |
setTaskGroup () | Sets the TaskGroup this task belongs to, the value of TaskGroup property |
setTestingTypeCode () | Sets code of testing type, see TestingType codes |
waitForResults () | Waits till the task state changes to isTaskGenerationStatusFinished |
DataTable
(read-only) : DataTableDescription
: stringDisabledFlag
: booleanETTrunkCountMax
: integerFullDepthTreesOnlyFlag
: booleanHypothesisCountMax
: integerID
(read-only) : integerName
: stringNodeFrequencyMin
: integerNodePurityMin
: integerNote
: stringPrunePermutationFullFlag
: booleanPrunePermutationFullFlag
: booleanSplitAttributesMax
: integerSplitMaxDecreasePerLevel
: integerSplitSignificanceChiSqAlpha
: integerSplitSignificanceChiSqTestFlag
: booleanStoreDecisionTreesFlag
: booleanStoreETTrunkFlag
: booleanTargetSetting
(read-only) : ETAttributeSettingTaskGenerationStatus
(read-only) : integerTaskGroup
(read-only) : TaskGroupTestingDataSplitPercentage
: integerTestingFolds
: integerTreeCountMax
: integerTreeDepthMax
: integerTreeQualityMin
: integerTreeQualityMinTestFlag
: booleancanDel() : boolean
boolean
clone() : Task
Task
- cloned taskfindETPartialGroupSetting() : ETPartialGroupSetting
nil
if ETPartialGroupSetting with this property doesn't exists.
luaTable
- to store named parameters
nID
: integer
- an ID of the ETPartialGroupSetting to look-up
ETPartialGroupSetting
- or nil
findFTWholeCedentSetting() : FTWholeCedentSetting
nil
if FTWholeCedentSetting with this property doesn't exists.
luaTable
- to store named parameters
nCedentTypeCode
: integer
- CedentType code to identify the whole cedent to find
FTWholeCedentSetting
- or nil
findHypothesis() : Hypothesis
nil
if Hypothesis with this property doesn't exists.
luaTable
- to store named parameters
nID
: integer
- an ID of the Hypothesis to look-up
Hypothesis
- or nil
findHypothesisGroup() : HypothesisGroup
nil
if HypothesisGroup with this property doesn't exists.
luaTable
- to store named parameters
nID
: integer
- an ID of the HypothesisGroup to look-up
name
: string
- a name of the group of hypotheses to look-up
HypothesisGroup
- or nil
getDataTable() : DataTable
getETPartialGroupSettingCount() : integer
integer
getFTWholeCedentSettingCount() : integer
integer
getHypothesisCount() : integer
integer
getHypothesisCountMax() : integer
integer
getHypothesisGroupCount() : integer
integer
getID() : integer
integer
getName() : string
string
getNote() : string
string
getTaskGenerationStatus() : integer
integer
getTaskGenerationStatusStr() : string
string
getTaskGroup() : TaskGroup
getTaskSubTypeCode() : integer
integer
getTaskSubTypeKey() : string
string
getTaskSubTypeName() : string
string
getTestingTypeCode() : integer
integer
getTestingTypeKey() : string
string
getTestingTypeName() : string
string
isDisabledFlag() : boolean
boolean
isTaskGenerationStatusFinished() : boolean
boolean
isTaskGenerationStatusInProcess() : boolean
boolean
onAdd()
onDel()
onUpdate()
prepareETPartialGroupSettingArray() : luaTable
luaTable
prepareFTWholeCedentSettingArray() : luaTable
luaTable
prepareHypothesisArray() : luaTable
luaTable
prepareHypothesisGroupArray() : luaTable
luaTable
queryTaskGenerationStatus() : integer
integer
- one or zerorunAndWaitForResults()
luaTable
- to store named parameters
nTargetPlatform
: integer
- TargetPlatform code
bForceRunFinished
: boolean
- if true, forces the task to be run again even if it is already finished
integer
- number of launched tasks (0 or 1)
runAsync()
luaTable
- to store named parameters
nTargetPlatform
: integer
- TargetPlatform code
bForceRunFinished
: boolean
- if true, forces the task to be run again even if it is already finished
integer
- number of launched tasks
setDisabledFlag( boolean )
boolean
setHypothesisCountMax( integer )
integer
setName( string )
string
- cannot be emptysetNote( string )
string
setTaskGroup( TaskGroup )
setTestingTypeCode( integer )
integer
waitForResults()
luaTable
- to store named parameters
nSleepTime
: integer
- time (in milliseconds) between two checks for change in metabase