naive bayes
Naive Bayes Classifiers II: Application
Now, we're going to see how we can use our training data to train our Naive Bayes' model. What does it even mean to train a Naive Bayes' model? In our task, we have two classes. So, n 2. Let's work our way through this formula and see how these different terms are calculated. First, let's look at the P(c) term.
#MLMuse -- Naivety in Naive Bayes' Classifiers
Classifying our data and predicting the outcomes from our historical data are huge tasks at the moment. For performing these tasks, we have a robust family of Supervised Learning Algorithms called Naive Bayes' Classifiers. Naive Bayes' Classifiers are wholly based on the Bayes' Theorem which gives us the probability of an event, given that another event has already occurred. This is symbolically expressed as P(A B), i.e. Probability of event A will occur given that event B has already occurred.
The Application of Machine Learning Techniques for Predicting Results in Team Sport: A Review
Over the past two decades, Machine Learning (ML) techniques have been increasingly utilized for the purpose of predicting outcomes in sport. In this paper, we provide a review of studies that have used ML for predicting results in team sport, covering studies from 1996 to 2019. We sought to answer five key research questions while extensively surveying papers in this field. This paper offers insights into which ML algorithms have tended to be used in this field, as well as those that are beginning to emerge with successful outcomes. Our research highlights defining characteristics of successful studies and identifies robust strategies for evaluating accuracy results in this application domain. Our study considers accuracies that have been achieved across different sports and explores the notion that outcomes of some team sports could be inherently more difficult to predict than others. Finally, our study uncovers common themes of future research directions across all surveyed papers, looking for gaps and opportunities, while proposing recommendations for future researchers in this domain.
- Research Report > New Finding (1.00)
- Overview (1.00)
- Leisure & Entertainment > Sports > Soccer (1.00)
- Leisure & Entertainment > Sports > Football (1.00)
- Leisure & Entertainment > Sports > Basketball (1.00)
- (5 more...)
- Information Technology > Artificial Intelligence > Representation & Reasoning > Uncertainty (1.00)
- Information Technology > Artificial Intelligence > Machine Learning > Statistical Learning (1.00)
- Information Technology > Artificial Intelligence > Machine Learning > Learning Graphical Models > Directed Networks > Bayesian Learning (0.95)
- (4 more...)
What is Google Cloud ML Engine? IoT For All
Learn how to to scale up a machine learning algorithm. The cloud and machine learning: two phrases with a lot of hype that few people understand. We're intimately familiar with both here at Leverege, so hopefully this article will shed some light on the two topics. Before we share what we've learned using Google Cloud ML Engine, we need to do a quick refresher on how machine learning is done in production. So how does Google Cloud ML fit into all of this?
The 10 Algorithms Machine Learning Engineers Need to Know
Some of the most common examples of machine learning are Netflix's algorithms to make movie suggestions based on movies you have watched in the past or Amazon's algorithms that recommend books based on books you have bought before. The textbook that we used is one of the AI classics: Peter Norvig's Artificial Intelligence -- A Modern Approach, in which we covered major topics including intelligent agents, problem-solving by searching, adversarial search, probability theory, multi-agent systems, social AI, philosophy/ethics/future of AI. Machine learning algorithms can be divided into 3 broad categories -- supervised learning, unsupervised learning, and reinforcement learning.Supervised learning is useful in cases where a property (label) is available for a certain dataset (training set), but is missing and needs to be predicted for other instances. You can think of linear regression as the task of fitting a straight line through a set of points.
Python: Naive Bayes'
Naive Bayes' is a supervised machine learning classification algorithm based off of Bayes' Theorem. If you don't remember Bayes' Theorem, here it is: Seriously though, if you need a refresher, I have a lesson on it here: Bayes' Theorem The naive part comes from the idea that the probability of each column is computed alone. They are "naive" to what the other columns contain. Let's look at the data. We have 3 columns – Score, ExtraCir, Accepted.
Locally Weighted Naive Bayes
Frank, Eibe, Hall, Mark, Pfahringer, Bernhard
Despite its simplicity, the naive Bayes classifier has surprised machine learning researchers by exhibiting good performance on a variety of learning problems. Encouraged by these results, researchers have looked to overcome naive Bayes primary weakness - attribute independence - and improve the performance of the algorithm. This paper presents a locally weighted version of naive Bayes that relaxes the independence assumption by learning local models at prediction time. Experimental results show that locally weighted naive Bayes rarely degrades accuracy compared to standard naive Bayes and, in many cases, improves accuracy dramatically. The main advantage of this method compared to other techniques for enhancing naive Bayes is its conceptual and computational simplicity.
- Health & Medicine (0.48)
- Education (0.48)