Tensorflow 2 and greta: Error in TF graph

#1

Hi All,

I could not install an earlier version of tensorflow because of my company server,but I could install tensorflow 2.0. I also installed greta-dev and the one in CRAN does not work. What kind of support exists for tf2.0? I get the following error when starting the mcmc -
Run : draws <- mcmc(m, n_samples = 1000)
Error: **
** Error in py_call_impl(callable, dots$args, dots$keywords) : **
** RuntimeError: Evaluation error: ValueError: Tensor(“mcmc_sample_chain/trace_scan/while/Const:0”, shape=(3,), dtype=int32) must be from the same graph as Tensor(“leapfrog_integrate_one_step/add:0”, shape=(None, 3), dtype=float64)…

Thanks!!

#2

There’s no TF2 support yet as it only just launched. The current release and dev versions of greta rely on TF 1.14 and TFP 0.8.0.
A TF2 compatible version should be available in the next few weeks though, I’ve started working on compatibility and shouldn’t take much longer. Will update here when it’s ready to go!

#3

Oh brilliant!! Thanks for the reply and the development Nick!!

Regards
Adi

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