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class StartEngine( Engine )	Source

StartEngine generates a random trial sample.

It is used to initialize the set of trial samples.

Attributes from Engine

walkers, errdis, maxtrials, nstep, slow, rng, report, phantoms, verbose

Author Do Kester.

StartEngine( walkers, errdis, copy=None, **kwargs )

Constructor.

Parameters

• walkers : WalkerList
       list of walkers to be initiated
• errdis : ErrorDistribution
       error distribution to be used
• copy : StartEngine
       engine to be copied

copy( )

Return copy of this.

execute( kw, lowLhood )

Execute the engine by a random selection of the parameters.

Parameters

• kw : int
       index in the WalkerList
• lowLhood : float
       lower limit in logLikelihood

Returns

• int : the number of successfull moves

Methods inherited from Engine

• bestBoost( problem, myFitter=None )
• setWalker( kw, problem, allpars, logL, walker=None, fitIndex=None )
• noBoost( walker )
• doBoost( walker )
• domain2Unit( problem, dval, kpar=None )
• unit2Domain( problem, uval, kpar=None )
• startJourney( unitStart )
• calcJourney( unitDistance )
• reportJourney( )
• makeIndex( np, val )
• reportCall( )
• reportSuccess( )
• reportReject( )
• reportFailed( )
• reportBest( )
• printReport( best=False )
• successRate( )
• getUnitMinmax( problem, lowLhood )
• getUnitRange( problem, lowLhood )