This document provides an executive summary and introduction to Bayes networks. It contains 9 slides that describe Bayes networks at a high level, provide simple illustrative examples, and discuss how Bayes networks can be built from expert knowledge or data. Real-world examples of Bayes networks in applications such as medical diagnosis, manufacturing systems, and information retrieval are also briefly mentioned.
The document provides information about the SME Team at the International Digital Laboratory (IDL) including contacts and services available to help small and medium-sized enterprises (SMEs). It introduces several members of the SME Team, their backgrounds and areas of expertise. The team can help SMEs with opportunities to collaborate with researchers, access to facilities, networking and training events, and knowledge transfer partnerships.
An interim executive can provide several key benefits to organizations:
1. They can quickly fill important leadership openings like Chief Sales Officer or Chief Marketing Officer to ensure business continues uninterrupted and avoid delays from a prolonged search for a new permanent hire.
2. They can successfully complete special projects or strategic initiatives without the overhead costs of a permanent hire and are often available on short notice to help a company move quickly.
3. They allow companies to take the time needed to find the best permanent hire for a key position while still meeting that role's responsibilities in the interim.
- The document discusses how well people are paid based on the hours they work and their job type, with some people earning over $100,000 working more than 40 hours per week while others earn less than $40,000 working 40 hours.
- It then contrasts employees, who make up 95% of the population but only 5% of total wealth, with business owners, who make up just 5% of the population but 95% of total wealth. Business owners' time is leveraged through business ownership while employees trade their time.
- The document is promoting a multi-level marketing company called FHTM, outlining its business model, compensation plan showing potential earnings at different levels, and products/services offered.
The document discusses sharing slides from a lecture on Gaussian Bayes classifiers. It notes that the original slides are available and encourages others to use and modify the slides for their own teaching needs. Users are asked to include attribution to the original source if using a significant portion of the slides.
Predicting Real-valued Outputs: An introduction to regressionguestfee8698
This document provides an introduction to regression analysis, which is used to predict real-valued outputs. It discusses single and multivariate linear regression, including how to calculate the maximum likelihood estimate of the regression coefficient(s). It also covers extensions such as adding a constant term, handling varying noise levels in the data, and nonlinear regression models. The goal is to estimate the parameters that best predict the output values given the input features.
The document provides information about the SME Team at the International Digital Laboratory (IDL) including contacts and services available to help small and medium-sized enterprises (SMEs). It introduces several members of the SME Team, their backgrounds and areas of expertise. The team can help SMEs with opportunities to collaborate with researchers, access to facilities, networking and training events, and knowledge transfer partnerships.
An interim executive can provide several key benefits to organizations:
1. They can quickly fill important leadership openings like Chief Sales Officer or Chief Marketing Officer to ensure business continues uninterrupted and avoid delays from a prolonged search for a new permanent hire.
2. They can successfully complete special projects or strategic initiatives without the overhead costs of a permanent hire and are often available on short notice to help a company move quickly.
3. They allow companies to take the time needed to find the best permanent hire for a key position while still meeting that role's responsibilities in the interim.
- The document discusses how well people are paid based on the hours they work and their job type, with some people earning over $100,000 working more than 40 hours per week while others earn less than $40,000 working 40 hours.
- It then contrasts employees, who make up 95% of the population but only 5% of total wealth, with business owners, who make up just 5% of the population but 95% of total wealth. Business owners' time is leveraged through business ownership while employees trade their time.
- The document is promoting a multi-level marketing company called FHTM, outlining its business model, compensation plan showing potential earnings at different levels, and products/services offered.
The document discusses sharing slides from a lecture on Gaussian Bayes classifiers. It notes that the original slides are available and encourages others to use and modify the slides for their own teaching needs. Users are asked to include attribution to the original source if using a significant portion of the slides.
Predicting Real-valued Outputs: An introduction to regressionguestfee8698
This document provides an introduction to regression analysis, which is used to predict real-valued outputs. It discusses single and multivariate linear regression, including how to calculate the maximum likelihood estimate of the regression coefficient(s). It also covers extensions such as adding a constant term, handling varying noise levels in the data, and nonlinear regression models. The goal is to estimate the parameters that best predict the output values given the input features.
The document discusses missed opportunities in Niagara Falls, NY across three areas: the Upper River Parkway, the Lower River Gorge, and Downtown. The Upper River Parkway separates historic homes from the river and has blocked commercial development for years. The Lower River Gorge, with spectacular views, has never reached its potential as a tourist attraction. Downtown has 90,000 square feet of empty retail space in the heart of the tourist district that could boost the city's tourism. Neglecting historic buildings is a lost opportunity to enhance visitors' experiences.
Le app Windows universal consentono di sviluppare app per Windows Phone e Windwos 8 condividendo gli oggetti comuni. In questa presentazione introduttiva ne vedremo gli aspetti chiave.
The document discusses the need for balance between public and private housing in Niagara Falls. While public housing is necessary to provide affordable options given the low median income, concentrating only public housing can depress areas and reduce the city's tax base. The city struggles with balancing this need for public housing with generating tax revenue, as subsidized housing does not contribute to taxes and abandoned buildings and neighborhoods also provide little tax income.
The document discusses support vector machines (SVMs) and how they find the maximum margin linear classifier to classify data. Specifically, it explains that SVMs:
1) Find the linear decision boundary that maximizes the margin or distance between the boundary and the closest data points of each class.
2) The maximum margin classifier is the simplest type of SVM called a linear SVM (LSVM).
3) The margin is computed in terms of the weights w and bias b that define the decision boundary. Maximizing this margin leads to the optimal separating hyperplane.
- The document discusses how much people earn from their time based on hours worked and occupations. Some work 40 hours and earn under $40,000 while others work over 40 hours and earn over $100,000. A few work less than 40 hours and earn over $500,000.
- It introduces a multi-level marketing company called FHTM that allows people to build a business and earn residual income by gathering customers and introducing others to do the same. The compensation plan is described as very generous.
- Details are provided on products/services offered, business model, leadership bonuses, and a car program for high achievers. Building a team of 3 who each build a team of 3 is emphasized as the simple
The Digital Lab provides knowledge services and technologies to small and medium sized businesses through their SME Lab program. This includes demonstrators of leading edge technologies, seminars on digital technologies, and analysis sessions to identify relevant solutions for businesses. They also offer strategy discussions, collaborative research projects, and access to research in areas like e-business, e-security, experiential engineering, and more. Experts in these areas describe challenges they are addressing in fields like securing data, trust management, high-integrity testing, and applying human factors research to product and environment design.
The document discusses the concept of PAC (Probably Approximately Correct) learning. It begins by describing a learning scenario where a hidden hypothesis is chosen by nature, and a learner tries to approximate this hypothesis based on randomly generated training data. It then defines what it means for a learned hypothesis to be "bad" or have high test error, and shows that by choosing a large enough random training set, the probability of learning a bad hypothesis can be bounded. Finally, it provides the formula for calculating the minimum size of the random training set needed to guarantee this probability bound.
The document discusses the Vapnik-Chervonenkis (VC) dimension, which is a measure of the "power" or capacity of a learning machine or classifier. The VC dimension allows one to estimate the error of a classifier on future data based only on its training error and VC dimension. Specifically, with high probability the test error is bounded above by the training error plus an additional term involving the VC dimension. The document also introduces the concept of a classifier "shattering" a set of points, which relates to calculating the VC dimension.
This document contains slides from a lecture on Hidden Markov Models given by Andrew W. Moore. The slides introduce Markov systems as having a set of states and discrete time steps, with the system occupying exactly one state at each time step chosen randomly based on the previous state. The slides provide examples of state transition probabilities in a Markov system and note that the Markov property means the next state depends only on the current state.
- The document discusses K-means clustering and hierarchical clustering.
- It provides an overview of the K-means clustering algorithm, including how it aims to optimize clustering by minimizing distortion and finding cluster centroids.
- The K-means algorithm involves assigning points to centroids, updating centroids to be the mean of each cluster, and repeating until convergence.
This document provides instructions for other teachers to use and modify slides from a lecture on clustering with Gaussian mixtures given by Andrew W. Moore. It notes that the PowerPoint originals are available and encourages comments and corrections. Users are asked to include attribution if using a significant portion of the slides.
A Short Intro to Naive Bayesian Classifiersguestfee8698
This document introduces Naive Bayes classifiers and their use in document classification. It begins with an overview of Naive Bayes theory and classifiers. Examples are then provided to illustrate how to estimate probabilities for the classifier from sample training data and how to perform classification of new documents. The assumptions and advantages of the Naive Bayes approach are discussed. In particular, it notes that Naive Bayes classifiers can be efficiently constructed, even with many attributes, and generally perform well despite their "naivety".
This document contains slides from a lecture on Bayes net structure learning given by Andrew W. Moore. The slides introduce Bayes net structure learning as an additional machine learning method. They cover scoring Bayes net structures based on a Bayesian Information Criterion, and searching over possible structures to find the one with the best score. The purpose is to teach students about learning the structure of Bayesian networks from data.
- Bayesian networks can model conditional independencies between variables based on the network structure. Each variable is conditionally independent of its non-descendants given its parents.
- The d-separation algorithm allows determining if two variables are conditionally independent given some evidence by checking if all paths between them are "blocked".
- For trees/forests where each node has at most one parent, inference can be done efficiently in linear time by decomposing probabilities and passing messages between nodes.
This document discusses Bayes networks for representing and reasoning about uncertainty. It begins by noting the benefits of using joint distributions to describe uncertain worlds but also the problem of using joint distributions due to their complexity. Bayes networks allow building joint distributions in manageable chunks by representing conditional independence relationships between variables. The document then discusses representing uncertainty using probability and key concepts in probability such as conditional probability, Bayes' rule, and working through examples to demonstrate their application.
The document discusses various machine learning algorithms including polynomial regression, quadratic regression, radial basis functions, and robust regression. It provides mathematical formulas and visual examples to explain how each algorithm works. The key ideas are that polynomial regression fits nonlinear functions of inputs, quadratic regression extends linear regression by including quadratic terms, radial basis functions use kernel functions centered at data points to perform nonlinear regression, and robust regression aims to fit data robustly by down-weighting outliers.
Instance-based learning (aka Case-based or Memory-based or non-parametric)guestfee8698
This document provides an overview of instance-based learning techniques. It begins by introducing 1-nearest neighbor classification and regression, which makes predictions based on the single closest training example. It then discusses how k-nearest neighbor addresses some of the issues with 1-NN by considering the average output of the k closest examples. The document also covers kernel regression, which weights all training examples based on their distance from the query point. It demonstrates how varying the kernel width parameter and query point affects the predictions. Instance-based learning relies on storing past examples and making predictions by comparing new examples to similar stored examples.
The document discusses missed opportunities in Niagara Falls, NY across three areas: the Upper River Parkway, the Lower River Gorge, and Downtown. The Upper River Parkway separates historic homes from the river and has blocked commercial development for years. The Lower River Gorge, with spectacular views, has never reached its potential as a tourist attraction. Downtown has 90,000 square feet of empty retail space in the heart of the tourist district that could boost the city's tourism. Neglecting historic buildings is a lost opportunity to enhance visitors' experiences.
Le app Windows universal consentono di sviluppare app per Windows Phone e Windwos 8 condividendo gli oggetti comuni. In questa presentazione introduttiva ne vedremo gli aspetti chiave.
The document discusses the need for balance between public and private housing in Niagara Falls. While public housing is necessary to provide affordable options given the low median income, concentrating only public housing can depress areas and reduce the city's tax base. The city struggles with balancing this need for public housing with generating tax revenue, as subsidized housing does not contribute to taxes and abandoned buildings and neighborhoods also provide little tax income.
The document discusses support vector machines (SVMs) and how they find the maximum margin linear classifier to classify data. Specifically, it explains that SVMs:
1) Find the linear decision boundary that maximizes the margin or distance between the boundary and the closest data points of each class.
2) The maximum margin classifier is the simplest type of SVM called a linear SVM (LSVM).
3) The margin is computed in terms of the weights w and bias b that define the decision boundary. Maximizing this margin leads to the optimal separating hyperplane.
- The document discusses how much people earn from their time based on hours worked and occupations. Some work 40 hours and earn under $40,000 while others work over 40 hours and earn over $100,000. A few work less than 40 hours and earn over $500,000.
- It introduces a multi-level marketing company called FHTM that allows people to build a business and earn residual income by gathering customers and introducing others to do the same. The compensation plan is described as very generous.
- Details are provided on products/services offered, business model, leadership bonuses, and a car program for high achievers. Building a team of 3 who each build a team of 3 is emphasized as the simple
The Digital Lab provides knowledge services and technologies to small and medium sized businesses through their SME Lab program. This includes demonstrators of leading edge technologies, seminars on digital technologies, and analysis sessions to identify relevant solutions for businesses. They also offer strategy discussions, collaborative research projects, and access to research in areas like e-business, e-security, experiential engineering, and more. Experts in these areas describe challenges they are addressing in fields like securing data, trust management, high-integrity testing, and applying human factors research to product and environment design.
The document discusses the concept of PAC (Probably Approximately Correct) learning. It begins by describing a learning scenario where a hidden hypothesis is chosen by nature, and a learner tries to approximate this hypothesis based on randomly generated training data. It then defines what it means for a learned hypothesis to be "bad" or have high test error, and shows that by choosing a large enough random training set, the probability of learning a bad hypothesis can be bounded. Finally, it provides the formula for calculating the minimum size of the random training set needed to guarantee this probability bound.
The document discusses the Vapnik-Chervonenkis (VC) dimension, which is a measure of the "power" or capacity of a learning machine or classifier. The VC dimension allows one to estimate the error of a classifier on future data based only on its training error and VC dimension. Specifically, with high probability the test error is bounded above by the training error plus an additional term involving the VC dimension. The document also introduces the concept of a classifier "shattering" a set of points, which relates to calculating the VC dimension.
This document contains slides from a lecture on Hidden Markov Models given by Andrew W. Moore. The slides introduce Markov systems as having a set of states and discrete time steps, with the system occupying exactly one state at each time step chosen randomly based on the previous state. The slides provide examples of state transition probabilities in a Markov system and note that the Markov property means the next state depends only on the current state.
- The document discusses K-means clustering and hierarchical clustering.
- It provides an overview of the K-means clustering algorithm, including how it aims to optimize clustering by minimizing distortion and finding cluster centroids.
- The K-means algorithm involves assigning points to centroids, updating centroids to be the mean of each cluster, and repeating until convergence.
This document provides instructions for other teachers to use and modify slides from a lecture on clustering with Gaussian mixtures given by Andrew W. Moore. It notes that the PowerPoint originals are available and encourages comments and corrections. Users are asked to include attribution if using a significant portion of the slides.
A Short Intro to Naive Bayesian Classifiersguestfee8698
This document introduces Naive Bayes classifiers and their use in document classification. It begins with an overview of Naive Bayes theory and classifiers. Examples are then provided to illustrate how to estimate probabilities for the classifier from sample training data and how to perform classification of new documents. The assumptions and advantages of the Naive Bayes approach are discussed. In particular, it notes that Naive Bayes classifiers can be efficiently constructed, even with many attributes, and generally perform well despite their "naivety".
This document contains slides from a lecture on Bayes net structure learning given by Andrew W. Moore. The slides introduce Bayes net structure learning as an additional machine learning method. They cover scoring Bayes net structures based on a Bayesian Information Criterion, and searching over possible structures to find the one with the best score. The purpose is to teach students about learning the structure of Bayesian networks from data.
- Bayesian networks can model conditional independencies between variables based on the network structure. Each variable is conditionally independent of its non-descendants given its parents.
- The d-separation algorithm allows determining if two variables are conditionally independent given some evidence by checking if all paths between them are "blocked".
- For trees/forests where each node has at most one parent, inference can be done efficiently in linear time by decomposing probabilities and passing messages between nodes.
This document discusses Bayes networks for representing and reasoning about uncertainty. It begins by noting the benefits of using joint distributions to describe uncertain worlds but also the problem of using joint distributions due to their complexity. Bayes networks allow building joint distributions in manageable chunks by representing conditional independence relationships between variables. The document then discusses representing uncertainty using probability and key concepts in probability such as conditional probability, Bayes' rule, and working through examples to demonstrate their application.
The document discusses various machine learning algorithms including polynomial regression, quadratic regression, radial basis functions, and robust regression. It provides mathematical formulas and visual examples to explain how each algorithm works. The key ideas are that polynomial regression fits nonlinear functions of inputs, quadratic regression extends linear regression by including quadratic terms, radial basis functions use kernel functions centered at data points to perform nonlinear regression, and robust regression aims to fit data robustly by down-weighting outliers.
Instance-based learning (aka Case-based or Memory-based or non-parametric)guestfee8698
This document provides an overview of instance-based learning techniques. It begins by introducing 1-nearest neighbor classification and regression, which makes predictions based on the single closest training example. It then discusses how k-nearest neighbor addresses some of the issues with 1-NN by considering the average output of the k closest examples. The document also covers kernel regression, which weights all training examples based on their distance from the query point. It demonstrates how varying the kernel width parameter and query point affects the predictions. Instance-based learning relies on storing past examples and making predictions by comparing new examples to similar stored examples.
1) The document discusses linear regression and how it can be used to model the relationship between input variables (x) and output variables (y).
2) Linear regression finds the best fitting linear relationship by minimizing the sum of squared errors between the actual y values and the predicted y values from the linear model.
3) The maximum likelihood estimate of the parameters for linear regression can be found in closed form as a function of the input and output data.
Cross-validation is a method for detecting and preventing overfitting in machine learning models. It involves randomly splitting a dataset into a training set and a test set. Models are trained on the training set and their performance is evaluated on the held-out test set, allowing models to be selected based on their expected generalization error rather than just their in-sample fit. The document describes using linear regression, quadratic regression, and nonparametric regression on simulated datasets to demonstrate how cross-validation can be used to select the model that will best predict future data.
The document discusses maximum likelihood estimation for learning parameters of univariate Gaussian distributions from data. It shows that the maximum likelihood estimates (MLEs) for the mean (μ) is simply the sample mean of the data. The MLE for the variance (σ2) is the unbiased sample variance of the data. Maximum likelihood estimation is a fundamental technique in statistical data analysis and learning Gaussian distributions lays the groundwork for more advanced methods.
This document is a set of slides about Gaussians and their use in data mining. It begins with an introduction explaining why Gaussians are important tools. It then covers the entropy of a probability density function, univariate and multivariate Gaussians, and how Gaussians are used with Bayes' rule and maximum likelihood estimation. The slides provide definitions, visual examples, and key properties of Gaussian distributions. The author encourages others to use and modify the slides for teaching purposes and requests attribution if significant portions are used.
This document provides an introduction to probabilistic and Bayesian analytics through a series of slides from a lecture by Andrew W. Moore. The key points covered include:
- Probability is used to represent uncertainty and is quantified by the fraction of possible worlds where an event occurs.
- The axioms of probability are introduced and interpreted visually, including that probabilities must be between 0 and 1 and the addition rule for mutually exclusive events.
- Important theorems are derived from the axioms, such as the probability of the complement of an event.
- Conditional probability is defined as the probability of one event given another using a visual representation.
- Bayes' rule for updating probabilities based on new information is
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...PECB
Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
Certified as an ISO/IEC 27001: Information Security Management Systems (ISMS) Lead Implementer, Data Protection Officer, and Cyber Risks Analyst, Denis brings a heightened focus on data security, privacy, and cyber resilience to every endeavor.
His expertise extends across a diverse spectrum of reporting, database, and web development applications, underpinned by an exceptional grasp of data storage and virtualization technologies. His proficiency in application testing, database administration, and data cleansing ensures seamless execution of complex projects.
What sets Denis apart is his comprehensive understanding of Business and Systems Analysis technologies, honed through involvement in all phases of the Software Development Lifecycle (SDLC). From meticulous requirements gathering to precise analysis, innovative design, rigorous development, thorough testing, and successful implementation, he has consistently delivered exceptional results.
Throughout his career, he has taken on multifaceted roles, from leading technical project management teams to owning solutions that drive operational excellence. His conscientious and proactive approach is unwavering, whether he is working independently or collaboratively within a team. His ability to connect with colleagues on a personal level underscores his commitment to fostering a harmonious and productive workplace environment.
Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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Leveraging Generative AI to Drive Nonprofit InnovationTechSoup
In this webinar, participants learned how to utilize Generative AI to streamline operations and elevate member engagement. Amazon Web Service experts provided a customer specific use cases and dived into low/no-code tools that are quick and easy to deploy through Amazon Web Service (AWS.)
Main Java[All of the Base Concepts}.docxadhitya5119
This is part 1 of my Java Learning Journey. This Contains Custom methods, classes, constructors, packages, multithreading , try- catch block, finally block and more.
it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
How to Fix the Import Error in the Odoo 17Celine George
An import error occurs when a program fails to import a module or library, disrupting its execution. In languages like Python, this issue arises when the specified module cannot be found or accessed, hindering the program's functionality. Resolving import errors is crucial for maintaining smooth software operation and uninterrupted development processes.
This document provides an overview of wound healing, its functions, stages, mechanisms, factors affecting it, and complications.
A wound is a break in the integrity of the skin or tissues, which may be associated with disruption of the structure and function.
Healing is the body’s response to injury in an attempt to restore normal structure and functions.
Healing can occur in two ways: Regeneration and Repair
There are 4 phases of wound healing: hemostasis, inflammation, proliferation, and remodeling. This document also describes the mechanism of wound healing. Factors that affect healing include infection, uncontrolled diabetes, poor nutrition, age, anemia, the presence of foreign bodies, etc.
Complications of wound healing like infection, hyperpigmentation of scar, contractures, and keloid formation.
How to Manage Your Lost Opportunities in Odoo 17 CRMCeline George
Odoo 17 CRM allows us to track why we lose sales opportunities with "Lost Reasons." This helps analyze our sales process and identify areas for improvement. Here's how to configure lost reasons in Odoo 17 CRM
Strategies for Effective Upskilling is a presentation by Chinwendu Peace in a Your Skill Boost Masterclass organisation by the Excellence Foundation for South Sudan on 08th and 09th June 2024 from 1 PM to 3 PM on each day.
Beyond Degrees - Empowering the Workforce in the Context of Skills-First.pptxEduSkills OECD
Iván Bornacelly, Policy Analyst at the OECD Centre for Skills, OECD, presents at the webinar 'Tackling job market gaps with a skills-first approach' on 12 June 2024
How to Setup Warehouse & Location in Odoo 17 InventoryCeline George
In this slide, we'll explore how to set up warehouses and locations in Odoo 17 Inventory. This will help us manage our stock effectively, track inventory levels, and streamline warehouse operations.
বাংলাদেশের অর্থনৈতিক সমীক্ষা ২০২৪ [Bangladesh Economic Review 2024 Bangla.pdf] কম্পিউটার , ট্যাব ও স্মার্ট ফোন ভার্সন সহ সম্পূর্ণ বাংলা ই-বুক বা pdf বই " সুচিপত্র ...বুকমার্ক মেনু 🔖 ও হাইপার লিংক মেনু 📝👆 যুক্ত ..
আমাদের সবার জন্য খুব খুব গুরুত্বপূর্ণ একটি বই ..বিসিএস, ব্যাংক, ইউনিভার্সিটি ভর্তি ও যে কোন প্রতিযোগিতা মূলক পরীক্ষার জন্য এর খুব ইম্পরট্যান্ট একটি বিষয় ...তাছাড়া বাংলাদেশের সাম্প্রতিক যে কোন ডাটা বা তথ্য এই বইতে পাবেন ...
তাই একজন নাগরিক হিসাবে এই তথ্য গুলো আপনার জানা প্রয়োজন ...।
বিসিএস ও ব্যাংক এর লিখিত পরীক্ষা ...+এছাড়া মাধ্যমিক ও উচ্চমাধ্যমিকের স্টুডেন্টদের জন্য অনেক কাজে আসবে ...