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For questions related to Bayesian deep learning, that is, Bayesian techniques applied to deep learning models (i.e. neural networks).

2 votes
1 answer
1k views

Why is neural networks being a deterministic mapping not always considered a good thing?

Why is neural networks being a deterministic mapping not always considered a good thing? So I'm excluding models like VAEs since those aren't entirely deterministic. I keep thinking about this and my …
user8714896's user avatar
3 votes
0 answers
88 views

Why does this formula $\sigma^2 + \frac{1}{T}\sum_{t=1}^Tf^{\hat{W_t}}(x)^Tf^{\hat{W_t}}(x_t...

How does: $$\text{Var}(y) \approx \sigma^2 + \frac{1}{T}\sum_{t=1}^Tf^{\hat{W_t}}(x)^Tf^{\hat{W_t}}(x_t)-E(y)^TE(y)$$ approximate variance? I'm currently reading What Uncertainties Do We Need in Bayes …
user8714896's user avatar
4 votes
1 answer
128 views

Is there any research on models that provide uncertainty estimation?

Is there any research on machine learning models that provide uncertainty estimation? If I train a denoising autoencoder on words and put through a noised word, I'd like it to return a certainty that …
user8714896's user avatar