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View Code? Open in Web Editor NEWNormalizing Flows using JAX
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No module named 'haiku'
Hello,
I was interested to try this library out and run your example notebooks, but I'm running into problems due to not having the haiku module installed. I can't find this on PyPI, is it a publicly available module?
I tried installing from source on the nohaiku branch but it seems it still has references to haiku that cause the code to fail.
Should log determinant be adjusted for some of the flows in affine.py?
For example:
class CenterAndScale(Flow):
def init(self, s):
assert s < 1.0
self.s = s
self.b = (1.0 - s)/2
def get_params(self):
return {}
def call(self, x, params=None, inverse=False, **kwargs):
s = jnp.broadcast_to(self.s, x.shape)
log_s = jnp.log(s)
if inverse == False:
z = x*s + self.b
else:
z = (x - self.b)/s
sum_axes = util.last_axes(x.shape[1:])
log_det = log_s.sum(axis=sum_axes)
return z, log_det
The log_det for the inverse should be -log_det.
README example not working
Hi,
Trying this package out as I search for a Flows package in JAX.
I tried the README example but it looks like the Coupling layer moved:
>> import nux
>> nux.Coupling()---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
<ipython-input-3-1f67c7aa3b7f> in <module>
----> 1 nux.Coupling()
AttributeError: module 'nux' has no attribute 'Coupling'
What is the updated name for this?
Cheers,
Miles
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