nessai.proposal.base

Base object for all proposal classes.

Module Contents

Classes

Proposal

Base proposal object

Attributes

logger

nessai.proposal.base.logger

class nessai.proposal.base.Proposal(model)

Bases: abc.ABC

Base proposal object

Parameters

model: obj

User-defined model

property initialised(self)

Boolean that indicates if the proposal is initialised or not.

initialise(self)

Initialise the proposal

evaluate_likelihoods(self)

Evaluate the likelihoods for the pool of live points.

abstract draw(self, old_param)

New a new point given the old point

test_draw(self)

Test the draw method to ensure it returns a sample in the correct format and the the log prior is computed.

train(self, x, **kwargs)

Train the proposal method

Parameters

x: array_like

Array of live points to use for training

kwargs:

Any of keyword arguments

resume(self, model)

Resume the proposal with the model