<p>VAEs can't cope with missing data by default. Clean your data first or try to apply some method for dealing with missing data i.e.:</p>
<p><a href="https://arxiv.org/abs/2006.05301" rel="nofollow noreferrer">https://arxiv.org/abs/2006.05301</a></p>
Resolve exploding gradient in VAE
<p>How do you resolve exploding gradient in a deep generative model(VAE)?</p>

<p>NB: the data-set contains a lot of NaNs values in the columns</p>