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A Note on Estimation Error Bound and Grouping Effect of Transfer Elastic Net

arXiv.org Machine Learning

The Transfer Elastic Net is an estimation method for linear regression models that combines $\ell_1$ and $\ell_2$ norm penalties to facilitate knowledge transfer. In this study, we derive a non-asymptotic $\ell_2$ norm estimation error bound for the estimator and discuss scenarios where the Transfer Elastic Net effectively works. Furthermore, we examine situations where it exhibits the grouping effect, which states that the estimates corresponding to highly correlated predictors have a small difference.


A new derivative-free optimization method: Gaussian Crunching Search

arXiv.org Artificial Intelligence

Optimization methods are essential in solving complex problems across various domains. In this research paper, we introduce a novel optimization method called Gaussian Crunching Search (GCS). Inspired by the behaviour of particles in a Gaussian distribution, GCS aims to efficiently explore the solution space and converge towards the global optimum. We present a comprehensive analysis of GCS, including its working mechanism, and potential applications. Through experimental evaluations and comparisons with existing optimization methods, we highlight the advantages and strengths of GCS. This research paper serves as a valuable resource for researchers, practitioners, and students interested in optimization, providing insights into the development and potential of Gaussian Crunching Search as a new and promising approach.


Machine Learning is Not Like Your Brain Part Seven: What Neurons are Good At - KDnuggets

#artificialintelligence

In my undergraduate days, telephone switching was transitioning from electromechanical relays to transistors, so there were a lot of cast-off telephone relays available. Along with some of my cohorts at Electrical Engineering, we built a computer out of telephone relays. The relays we used had a switching delay of 12ms -- that is, when you put power to the relay, the contacts would close 12ms later. Interestingly, this is in the same timing range as the 4ms maximum firing rate of neurons. We also acquired a teletype machine which used a serial link running at 110 baud or about 9ms per bit.


James Cameron warns of the dangers of deepfakes

#artificialintelligence

Legendary director James Cameron has warned of the dangers that deepfakes pose to society. Deepfakes leverage machine learning and AI techniques to convincingly manipulate or generate visual and audio content. Their high potential to deceive makes them a powerful tool for spreading disinformation, committing fraud, trolling, and more. "Every time we improve these tools, we're actually in a sense building a toolset to create fake media -- and we're seeing it happening now," said Cameron in a BBC video interview. "Right now the tools are -- the people just playing around on apps aren't that great. But over time, those limitations will go away. Things that you see and fully believe you're seeing could be faked."


AI vs Machine Learning vs Deep Learning

#artificialintelligence

Let me tell you a story, before I get into the topic -- I am a Computer Engineering Student and it was my first year of college. And, Everyone was suggesting me to study and specialize about "AI and Machine Learning(ML)" because they say it is a high demand and a high-paying job. Of course, I agree with their ideas and the reasons. But, whenever I asked: "What is AI or ML?" Mostly everyone said to me -- Its the same i.e. teaching computers to behave like a human. My point is: Most people don't know and they are confused about, what is the small difference between AI, Machine Learning and Deep Learning?


Beyond triplet loss : One shot learning experiments with quadruplet loss

#artificialintelligence

This article is a follow up to my previous article about One Shot learning, Siamese networks and Triplet Loss with Keras. "One Shot Learning" and "Mining" are described there, so if you're not familiar with these concepts yet, I highly recommend you read that first. A friend of mine says that, to make significant progress in machine learning, one should read research papers on the field. While browsing research papers, I found this one "Beyond triplet loss: a deep quadruplet network for person re-identification" that seemed to be a source of improvement over my previous work and I decided to try to recreate what they have done but for my particular case. This article is about exploring the paper and implementing some of the concepts in the research paper with Keras.