RandomEngine = class RandomEngine(Engine) |
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RandomEngine(walkers, errdis, copy=None, seed=4213, verbose=0)
RandomEngine generates a random trial sample.
It is used to initialize the set of trial samples.
Author Do Kester. |
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- Method resolution order:
- RandomEngine
- Engine
- builtins.object
Constructor:
- RandomEngine( walkers, errdis, copy=None, seed=4213, verbose=0)
- Constructor.
Parameters
----------
walkers : WalkerList
walkers to be diffused
errdis : ErrorDistribution
error distribution to be used
copy : RandomEngine
engine to be copied
seed : int
for random number generator
Methods defined here:
- copy()
- Return copy of this.
- execute( kw, lowLhood, append=False, iteration=0)
- Execute the engine by a random selection of the parameters.
Parameters
----------
kw : int
index of Walker to diffuse
lowLhood : float
lower limit in logLikelihood
append : bool
set walker in place or append
iteration : int
iteration number
Returns
-------
int : the number of successfull moves
Methods inherited from Engine:
- calculateUnitRange()
- checkBest( problem, allpars, logL, fitIndex=None )
- domain2Unit( problem, dval, kpar=None )
- makeIndex( np, val )
- printReport()
- reportBest()
- reportCall()
- reportFailed()
- reportReject()
- reportSuccess()
- setWalker( kw, problem, allpars, logL, fitIndex=None )
- successRate()
- unit2Domain( problem, uval, kpar=None )
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