http://piccolboni.info/ Wed, 29 Jan 2025 19:05:08 +0000 Wed, 29 Jan 2025 19:05:08 +0000 Jekyll v3.10.0 Data and compute power availability are important in the resurgence of ML and AI, but two of the biggest innovations in neural networks (NN), convolutional... Tue, 04 Jun 2019 19:09:00 +0000 http://piccolboni.info/2019/06/the-strong-ml-hypothesis.html http://piccolboni.info/2019/06/the-strong-ml-hypothesis.html Why is there a softmax function, but not a softmedian? Let’s create not one, but a few of them. \[\newcommand{\f}[1]{\mathrm{#1}} \newcommand{\x}{ {\bf x} } \newcommand{\soft}[1]{\f{soft#1}}... Tue, 14 May 2019 23:26:45 +0000 http://piccolboni.info/2019/05/the-softmedian.html http://piccolboni.info/2019/05/the-softmedian.html If you don’t need the full power of the grammar of graphics to generate classical plots for the web altair_recipes is the the easy way.... Fri, 15 Feb 2019 01:32:04 +0000 http://piccolboni.info/2019/02/a-python-package-to-generate-essential-statistical-graphics-for-the-web-in-one-line-altairrecipes.html http://piccolboni.info/2019/02/a-python-package-to-generate-essential-statistical-graphics-for-the-web-in-one-line-altairrecipes.html In this post, we show how to implement a custom loss function for multitask learning in Keras and perform a couple of simple experiments with... Fri, 13 Apr 2018 13:01:16 +0000 http://piccolboni.info/2018/04/a-simple-loss-function-for-multi-task-learning-with-keras-implementation-part-2.html http://piccolboni.info/2018/04/a-simple-loss-function-for-multi-task-learning-with-keras-implementation-part-2.html In this post I walk through a recent paper about multi-task learning and fill in some mathematical details. Implementation and experiments will follow in a... Thu, 08 Mar 2018 11:51:00 +0000 http://piccolboni.info/2018/03/a-simple-loss-function-for-multi-task-learning-with-keras-implementation.html http://piccolboni.info/2018/03/a-simple-loss-function-for-multi-task-learning-with-keras-implementation.html Back in the 60s it was called information overload and it affected so-called decision makers. Fast forward to today and the situation hasn’t improved. Now... Sat, 04 Nov 2017 14:09:00 +0000 http://piccolboni.info/2017/11/tame-the-newsfeed-with-homemade-ai.html http://piccolboni.info/2017/11/tame-the-newsfeed-with-homemade-ai.html I was watching the current Wimbledon tennis tournament when I heard a comment by former champion and coach Boris Becker that got my attention. He... Sun, 16 Jul 2017 03:02:52 +0000 http://piccolboni.info/2017/07/math-sides-with-tennis-players-not-past-champion-on-serve-selection.html http://piccolboni.info/2017/07/math-sides-with-tennis-players-not-past-champion-on-serve-selection.html TL; DR: try our shiny new nutritional search engine. Feedback welcome. “In the middle of our life’s journey, I found myself in a dark wood.”... Mon, 24 Oct 2016 19:01:42 +0000 http://piccolboni.info/2016/10/a-nutritional-search-engine-with-shiny-and-dplyr.html http://piccolboni.info/2016/10/a-nutritional-search-engine-with-shiny-and-dplyr.html I recently attended a talk by the always excellent Hadley Wickham about his latest work on creating and visualizing many models. I combine here two... Thu, 31 Mar 2016 14:10:32 +0000 http://piccolboni.info/2016/03/how-plyrmr-was-ahead-of-the-curve.html http://piccolboni.info/2016/03/how-plyrmr-was-ahead-of-the-curve.html Prologue The pipe operator, %>% in its latest incarnation, is all the rage in R circles. I first saw it in a less-well-known package called... Sun, 20 Sep 2015 20:38:00 +0000 http://piccolboni.info/2015/09/pipe-operator-for-R.html http://piccolboni.info/2015/09/pipe-operator-for-R.html