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A Discussion of Machine Learning Competitions

#artificialintelligence

Define some objective, then let a population of algorithms compete against one another, mixing and refining characteristics of the most successful of their predecessors, and occasionally introducing novel approaches. They are rather ubiquitous in today's research and commercial environment, but what are they good for, and what should one know about them? I'm here to ask some of these questions, and maybe produce a few answers along the way. Although it can be misleading to mix metaphors in a discipline that already overburdens its terminology over different granularities and levels of description, I invoked the essence of genetic algorithms in order to convince people that an observable of any recurring competition is that the metric it judges contestants by tends to be optimized over time. I also wanted to get the idea of diversity and its relationship with an incentivized selection process such as competition primed in our minds.


Learn to Make Machine Learning Predictions from Scratch

#artificialintelligence

Description Get ready for the exclusive Machine Learning Competition during this lockdown. To make predictions for any State in India, just replace the String "Maharashtra" with name of that State in all the source code examples discussed in this course. We are the first to launch this course... After completion of this course you will get Udemy certificate. At the end of this course, you will be able to...


Synced Tree Boosting With XGBoost – Why Does XGBoost Win "Every" Machine Learning Competition?

#artificialintelligence

Tree boosting has empirically proven to be efficient for predictive mining for both classification and regression. For many years, MART (multiple additive regression trees) has been the tree boosting method of choice. But a starting from 2015, a first to try, always winning algorithm surged to the surface: XGBoost. This algorithm re-implements the tree boosting and gained popularity by winning Kaggle and other data science competition. In the thesis Tree Boosting With XGBoost – Why Does XGBoost Win "Every" Machine Learning Competition, the author Didrik Nielsen from Norwegian University of Science and Technology is trying to: The paper introduce in first place the supervised learning task and discuss the model selection techniques.


Tree Boosting With XGBoost -- Why Does XGBoost Win "Every" Machine Learning Competition?

@machinelearnbot

Tree boosting has empirically proven to be efficient for predictive mining for both classification and regression. For many years, MART (multiple additive regression trees) has been the tree boosting method of choice. But a starting from 2015, a first to try, always winning algorithm surged to the surface: XGBoost. This algorithm re-implements the tree boosting and gained popularity by winning Kaggle and other data science competition. The paper introduce in first place the supervised learning task and discuss the model selection techniques.


Tree Boosting With XGBoost – Why Does XGBoost Win "Every" Machine Learning Competition?

#artificialintelligence

Tree boosting has empirically proven to be efficient for predictive mining for both classification and regression. For many years, MART (multiple additive regression trees) has been the tree boosting method of choice. But a starting from 2015, a first to try, always winning algorithm surged to the surface: XGBoost. This algorithm re-implements the tree boosting and gained popularity by winning Kaggle and other data science competition. The paper introduce in first place the supervised learning task and discuss the model selection techniques.


Tree Boosting With XGBoost - Why Does XGBoost Win "Every" Machine Learning Competition?

#artificialintelligence

Tree boosting has empirically proven to be a highly effective approach to predictive modeling.It has shown remarkable results for a vast array of problems.For many years, MART has been the tree boosting method of choice.More recently, a tree boosting method known as XGBoost has gained popularity by winning numerous machine learning competitions. In this thesis, we will investigate how XGBoost differs from the more traditional MART. We will show that XGBoost employs a boosting algorithm which we will term Newton boosting. This boosting algorithm will further be compared with the gradient boosting algorithm that MART employs. Moreover, we will discuss the regularization techniques that these methods offer and the effect these have on the models. In addition to this, we will attempt to answer the question of why XGBoost seems to win so many competitions.To do this, we will provide some arguments for why tree boosting, and in particular XGBoost, seems to be such a highly effective and versatile approach to predictive modeling. The core argument is that tree boosting can be seen to adaptively determine the local neighbourhoods of the model. Tree boosting can thus be seen to take the bias-variance tradeoff into consideration during model fitting. XGBoost further introduces some subtle improvements which allows it to deal with the bias-variance tradeoff even more carefully.


Winning Tips on Machine Learning Competitions by Kazanova, Current Kaggle #3

#artificialintelligence

No matter how many books you read, tutorials you finish or problems you solve, there will always be a data set you might come across where you get clueless. Specially, when you are in your early days of Machine Learning. In this blog post, you'll learn some essential tips on building machine learning models which most people learn with experience. These tips were shared by Marios Michailidis (a.k.a Kazanova), Kaggle Grandmaster, Current Rank #3 in a webinar happened on 5th March 2016. The key to succeeding in competitions is perseverance. Marios said, 'I won my first competition (Acquired valued shoppers challenge) and entered kaggle's top 20 after a year of continued participation on 4 GB RAM laptop (i3)'. Were you planning to give up? While reading Q & As, if you have any questions, please feel free to drop them in comments!


2017 Machine Learning Competition

#artificialintelligence

"Hospital readmission is a high-priority health care quality measure and target for cost reduction. Despite broad interest in readmission, relatively little research has focused on patients with diabetes. The burden of diabetes among hospitalized patients, however, is substantial, growing, and costly, and readmissions contribute a significant portion of this burden. Reducing readmission rates of diabetic patients has the potential to greatly reduce health care costs while simultaneously improving care." This competition will be using a de-identified abstract (Strack et al. 2014) of the Health Facts database (Cerner Corporation, Kansas City, MO).


Silicon Armada - Tech Jobs for Tech People

#artificialintelligence

At Continental, we're working to make mobility clean, intelligent and safe. Continental Digital Services France (CDSF) is a new entity dedicated to take up this innovation challenge in a unique way, achieving a fusion between on board and collective intelligence in our collaborative platform. With one of our Lighthouse project – eHorizon – we want to provide connected and autonomous vehicles with the ability to "see" beyond the reach of its sensors (and obstacles, corners, etc). By "crowdsensing" data from all vehicles, our platform can generate smarter insights and enable both on and off board systems to make better decisions. We're also working on imagining, developing and deploying new mobility services that will seamlessly be integrated in people's overall experience with digital services in their personal, social or professional lives, especially in smart cities.


David Chudzicki, Christine Doig - Winning Machine Learning Competitions With Scikit-Learn

#artificialintelligence

"Speaker: Ben Hamner This tutorial will offer an introduction machine learning and how to apply it to a Kaggle competition. We will cover methodologies that have worked well across a diverse set of problems, and then work on a current Kaggle competition together using iPython notebook and scikit-learn. We will cover concepts including feature extraction, feature selection, model evaluation, and data visualization.