<p>You can find me on <a href="https://www.linkedin.com/in/david-masip-bonet-935a284b/" rel="nofollow noreferrer">Linkedin</a>, feel free to connect (endorsements are welcome).</p>
<p>I maintain a python library called <a href="https://david26694.github.io/cluster-experiments/" rel="nofollow noreferrer">cluster-experiments</a>, it allows to do power analysis on non-trivial experiments.</p>
<p>Some of my relevant answers:</p>
<ul>
<li><a href="https://datascience.stackexchange.com/questions/22853/local-minima-vs-saddle-points-in-deep-learning/30673#30673">Saddle points in deep learning</a>.</li>
<li><a href="https://datascience.stackexchange.com/questions/32460/nn-embedding-layer/32487#32487">Embedding layers are linear layers</a> and <a href="https://datascience.stackexchange.com/questions/33041/backpropgating-error-to-emedding-matrix/33067#33067">embeddings backpropagation is easy</a>.</li>
<li><a href="https://datascience.stackexchange.com/questions/31107/why-root-finding-is-important-in-logistic-regression-i-e-newton-raphson/31108#31108">Root finding in logistic regression</a>.</li>
<li><a href="https://datascience.stackexchange.com/questions/410/choosing-a-learning-rate/30735#30735">Choosing a learning rate</a>.</li>
</ul>
<p>Some (so far, and in my opinion) unanswered questions:</p>
<ul>
<li><a href="https://datascience.stackexchange.com/questions/77422/multi-country-model-or-single-model">Multi-country or single model?</a></li>
<li><a href="https://datascience.stackexchange.com/questions/77684/time-series-grouped-cross-validation">Time series grouped cross-validation</a></li>
<li><a href="https://datascience.stackexchange.com/questions/64764/monitoring-machine-learning-models-in-production">Machine learning model monitoring</a></li>
<li><a href="https://datascience.stackexchange.com/questions/63749/why-does-frequency-encoding-work">Why does frequency encoding work?</a></li>
<li><a href="https://datascience.stackexchange.com/questions/61261/impose-similar-metric-on-segments-to-model">Similar metrics on different populations models</a></li>
</ul>

David Masip