Hi,

These belong to the issue tracker. Could you please try again to login and post there?

Best,
Tiago

Am 06.05.21 um 10:13 schrieb hazaa:
hi,
I'm writing to report several issues with the multicanonical sampler, using gt 
version 2.37.  ((haven't been able to login on gitlab tracker)

First with the NestedBlockState

g = gt.collection.data["celegansneural"]
state = gt.NestedBlockState(g)
nbins=100
S0 = state.entropy()
Smin,Smax = S0*0.90,S0*1.1
ms= gt.MulticanonicalState(state,Smin,Smax, nbins=nbins)
gt.multicanonical_equilibrate(ms)

Will return:

/usr/lib/python3/dist-packages/graph_tool/inference/mcmc.py in sweep(self, 
**kwargs)
     426
     427     def sweep(self, **kwargs):
--> 428         self._state.multicanonical_sweep(self, **kwargs)
     429
     430     def get_energies(self):
TypeError: multicanonical_sweep() takes 1 positional argument but 2 were given



Then with BlockState:

state = gt.BlockState(g)
nbins=100
S0 = state.entropy()
Smin,Smax = S0*0.90,S0*1.1
ms= gt.MulticanonicalState(state,Smin,Smax, nbins=nbins)
gt.multicanonical_equilibrate(ms)   #THIS IS OK
ds,nattempts,nmoves = state.multicanonical_sweep(ms,niter=10 )

The last line fails with the following output:

/usr/lib/python3/dist-packages/graph_tool/inference/blockmodel.py in 
_multicanonical_sweep_dispatch(self, multicanonical_state)
    1702                                                                
_get_rng())
    1703         else:
-> 1704             return 
libinference.multicanonical_sweep(multicanonical_state,
    1705                                                      self._state, 
_get_rng())
    1706
TypeError: No registered converter was able to extract a C++ reference to type 
boost::any from this Python object of type NoneType



Thanks for this wonderful module!
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--
Tiago de Paula Peixoto <ti...@skewed.de>
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