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Author : Bac-Van Nguyen
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (121 download)
Download or read book Estimation and Prediction in Regression Models with Random Explanatory Variables written by Bac-Van Nguyen and published by . This book was released on 1992 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter Bruce
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1491952911
Total Pages : 322 pages
Book Rating : 4.4/5 (919 download)
Download or read book Practical Statistics for Data Scientists written by Peter Bruce and published by "O'Reilly Media, Inc.". This book was released on 2017-05-10 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Statistical methods are a key part of of data science, yet very few data scientists have any formal statistics training. Courses and books on basic statistics rarely cover the topic from a data science perspective. This practical guide explains how to apply various statistical methods to data science, tells you how to avoid their misuse, and gives you advice on what's important and what's not. Many data science resources incorporate statistical methods but lack a deeper statistical perspective. If you’re familiar with the R programming language, and have some exposure to statistics, this quick reference bridges the gap in an accessible, readable format. With this book, you’ll learn: Why exploratory data analysis is a key preliminary step in data science How random sampling can reduce bias and yield a higher quality dataset, even with big data How the principles of experimental design yield definitive answers to questions How to use regression to estimate outcomes and detect anomalies Key classification techniques for predicting which categories a record belongs to Statistical machine learning methods that “learn” from data Unsupervised learning methods for extracting meaning from unlabeled data
Author : Hemant Sharma
Publisher : BookRix
ISBN 13 : 3743815370
Total Pages : 25 pages
Book Rating : 4.7/5 (438 download)
Download or read book Developing a Regression Model written by Hemant Sharma and published by BookRix. This book was released on 2017-07-28 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to Simple Linear Regression After having established the fact that two variables are strongly correlated with each other, one may be interested in predicting the value of one variable with the help of the given value of another variable. For example, if we know that yield of wheat and amount of rainfall are closely related to each other, we can estimate the amount of rainfall to achieve a particular wheat production level. This estimation becomes possible because of regression analysis that reveals average relationship between the variables. The term “Regression” was first used by Sir Francis Galton in 1877 while studying the relationship between the height of fathers and sons. The dictionary meaning of regression is the act of returning back to the average. According to Morris Hamburg, regression analysis refers to the methods by which estimates are made of the values of one a variable from a knowledge of the values of one or more other variables and to measurement of the errors involved in this estimation process. Ya Lun Chou elaborates it further adding that regression analysis basically attempts to establish the nature of relationship between the variables and thereby provides mechanism for prediction/ estimation.
Author : Pavel Cizek
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Robust Estimation with Discrete Explanatory Variables written by Pavel Cizek and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The least squares estimator is probably the most frequently used estimation method in regression analysis. Unfortunately, it is also quite sensitive to data contamination and model misspecification. Although there are several robust estimators designed for parametric regression models that can be used in place of least squares, these robust estimators cannot be easily applied to models containing binary and categorical explanatory variables. Therefore, I design a robust estimator that can be used for any linear regression model no matter what kind of explanatory variables the model contains. Additionally, I propose an adaptive procedure that maximizes the efficiency of the proposed estimator for a given data set while preserving its robustness.
Author : P.A.V.B. Swamy
Publisher : Springer Science & Business Media
ISBN 13 : 3642806538
Total Pages : 219 pages
Book Rating : 4.6/5 (428 download)
Download or read book Statistical Inference in Random Coefficient Regression Models written by P.A.V.B. Swamy and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 219 pages. Available in PDF, EPUB and Kindle. Book excerpt: This short monograph which presents a unified treatment of the theory of estimating an economic relationship from a time series of cross-sections, is based on my Ph. D. dissertation submitted to the University of Wisconsin, Madison. To the material developed for that purpose, I have added the substance of two subsequent papers: "Efficient methods of estimating a regression equation with equi-correlated disturbances", and "The exact finite sample properties of estimators of coefficients in error components regression models" (with Arora) which form the basis for Chapters 11 and III respectively. One way of increasing the amount of statistical information is to assemble the cross-sections of successive years. To analyze such a body of data the traditional linear regression model is not appropriate and we have to introduce some additional complications and assumptions due to the hetero geneity of behavior among individuals. These complications have been discussed in this monograph. Limitations of economic data, particularly their non-experimental nature, do not permit us to know a priori the correct specification of a model. I have considered several different sets of assumptionR about the stability of coeffi cients and error variances across individuals and developed appropriate inference procedures. I have considered only those sets of assumptions which lead to opera tional procedures. Following the suggestions of Kuh, Klein and Zellner, I have adopted the linear regression models with some or all of their coefficients varying randomly across individuals.
Author : Alexander Holmes
Publisher :
ISBN 13 : 9781998109487
Total Pages : 0 pages
Book Rating : 4.1/5 (94 download)
Download or read book Introductory Business Statistics (paperback, B&w) written by Alexander Holmes and published by . This book was released on 2023-06-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Printed in b&w. Introductory Business Statistics is designed to meet the scope and sequence requirements of the one-semester statistics course for business, economics, and related majors. Core statistical concepts and skills have been augmented with practical business examples, scenarios, and exercises. The result is a meaningful understanding of the discipline, which will serve students in their business careers and real-world experiences.
Author : Jeremy Arkes
Publisher : Routledge
ISBN 13 : 1351011081
Total Pages : 342 pages
Book Rating : 4.3/5 (51 download)
Download or read book Regression Analysis written by Jeremy Arkes and published by Routledge. This book was released on 2019-01-21 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the rise of "big data," there is an increasing demand to learn the skills needed to undertake sound quantitative analysis without requiring students to spend too much time on high-level math and proofs. This book provides an efficient alternative approach, with more time devoted to the practical aspects of regression analysis and how to recognize the most common pitfalls. By doing so, the book will better prepare readers for conducting, interpreting, and assessing regression analyses, while simultaneously making the material simpler and more enjoyable to learn. Logical and practical in approach, Regression Analysis teaches: (1) the tools for conducting regressions; (2) the concepts needed to design optimal regression models (based on avoiding the pitfalls); and (3) the proper interpretations of regressions. Furthermore, this book emphasizes honesty in research, with a prevalent lesson being that statistical significance is not the goal of research. This book is an ideal introduction to regression analysis for anyone learning quantitative methods in the social sciences, business, medicine, and data analytics. It will also appeal to researchers and academics looking to better understand what regressions do, what their limitations are, and what they can tell us. This will be the most engaging book on regression analysis (or Econometrics) you will ever read! A collection of author-created supplementary videos are available at: https://www.youtube.com/channel/UCenm3BWqQyXA2JRKB_QXGyw
Author : Ashish Sen
Publisher : Springer Science & Business Media
ISBN 13 : 9780387972114
Total Pages : 376 pages
Book Rating : 4.9/5 (721 download)
Download or read book Regression Analysis written by Ashish Sen and published by Springer Science & Business Media. This book was released on 1997-04-01 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: An up-to-date, rigorous, and lucid treatment of the theory, methods, and applications of regression analysis, and thus ideally suited for those interested in the theory as well as those whose interests lie primarily with applications. It is further enhanced through real-life examples drawn from many disciplines, showing the difficulties typically encountered in the practice of regression analysis. Consequently, this book provides a sound foundation in the theory of this important subject.
Author : John P. Hoffmann
Publisher : CRC Press
ISBN 13 : 1000438104
Total Pages : 318 pages
Book Rating : 4.0/5 (4 download)
Download or read book Linear Regression Models written by John P. Hoffmann and published by CRC Press. This book was released on 2021-09-09 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research in social and behavioral sciences has benefited from linear regression models (LRMs) for decades to identify and understand the associations among a set of explanatory variables and an outcome variable. Linear Regression Models: Applications in R provides you with a comprehensive treatment of these models and indispensable guidance about how to estimate them using the R software environment. After furnishing some background material, the author explains how to estimate simple and multiple LRMs in R, including how to interpret their coefficients and understand their assumptions. Several chapters thoroughly describe these assumptions and explain how to determine whether they are satisfied and how to modify the regression model if they are not. The book also includes chapters on specifying the correct model, adjusting for measurement error, understanding the effects of influential observations, and using the model with multilevel data. The concluding chapter presents an alternative model—logistic regression—designed for binary or two-category outcome variables. The book includes appendices that discuss data management and missing data and provides simulations in R to test model assumptions. Features Furnishes a thorough introduction and detailed information about the linear regression model, including how to understand and interpret its results, test assumptions, and adapt the model when assumptions are not satisfied. Uses numerous graphs in R to illustrate the model’s results, assumptions, and other features. Does not assume a background in calculus or linear algebra, rather, an introductory statistics course and familiarity with elementary algebra are sufficient. Provides many examples using real-world datasets relevant to various academic disciplines. Fully integrates the R software environment in its numerous examples. The book is aimed primarily at advanced undergraduate and graduate students in social, behavioral, health sciences, and related disciplines, taking a first course in linear regression. It could also be used for self-study and would make an excellent reference for any researcher in these fields. The R code and detailed examples provided throughout the book equip the reader with an excellent set of tools for conducting research on numerous social and behavioral phenomena. John P. Hoffmann is a professor of sociology at Brigham Young University where he teaches research methods and applied statistics courses and conducts research on substance use and criminal behavior.
Author : Constantin Colonescu
Publisher : Lulu.com
ISBN 13 : 1387473611
Total Pages : 278 pages
Book Rating : 4.3/5 (874 download)
Download or read book Using R for Principles of Econometrics written by Constantin Colonescu and published by Lulu.com. This book was released on 2017-12-28 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a beginner's guide to applied econometrics using the free statistics software R. It provides and explains R solutions to most of the examples in 'Principles of Econometrics' by Hill, Griffiths, and Lim, fourth edition. 'Using R for Principles of Econometrics' requires no previous knowledge in econometrics or R programming, but elementary notions of statistics are helpful.
Author : Xin Yan
Publisher : World Scientific
ISBN 13 : 9812834117
Total Pages : 349 pages
Book Rating : 4.8/5 (128 download)
Download or read book Linear Regression Analysis written by Xin Yan and published by World Scientific. This book was released on 2009 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents in detail the fundamental theories of linear regression analysis and diagnosis, as well as the relevant statistical computing techniques so that readers are able to actually model the data using the methods and techniques described in the book. It covers the fundamental theories in linear regression analysis and is extremely useful for future research in this area. The examples of regression analysis using the Statistical Application System (SAS) are also included. This book is suitable for graduate students who are either majoring in statistics/biostatistics or using linear regression analysis substantially in their subject fields.
Author : MANS. THULIN
Publisher :
ISBN 13 : 9781032497457
Total Pages : 0 pages
Book Rating : 4.4/5 (974 download)
Download or read book Modern Statistics with R written by MANS. THULIN and published by . This book was released on 2024-08-13 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The past decades have transformed the world of statistical data analysis, with new methods, new types of data, and new computational tools. Modern Statistics with R introduces you to key parts of this modern statistical toolkit. It teaches you: Data wrangling - importing, formatting, reshaping, merging, and filtering data in R. Exploratory data analysis - using visualisations and multivariate techniques to explore datasets. Statistical inference - modern methods for testing hypotheses and computing confidence intervals. Predictive modelling - regression models and machine learning methods for prediction, classification, and forecasting. Simulation - using simulation techniques for sample size computations and evaluations of statistical methods. Ethics in statistics - ethical issues and good statistical practice. R programming - writing code that is fast, readable, and (hopefully!) free from bugs. No prior programming experience is necessary. Clear explanations and examples are provided to accommodate readers at all levels of familiarity with statistical principles and coding practices. A basic understanding of probability theory can enhance comprehension of certain concepts discussed within this book. In addition to plenty of examples, the book includes more than 200 exercises, with fully worked solutions available at www.modernstatisticswithr.com.
Author :
Publisher : CESAR PEREZ
ISBN 13 : 1716260116
Total Pages : 234 pages
Book Rating : 4.7/5 (162 download)
Download or read book Microsoft SQL SERVER Programming. TRANSACT - SQL written by and published by CESAR PEREZ. This book was released on with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microsoft SQL Server is a relational database management system, developed by the company Microsoft. The development language used (by command line or through the Management Studio graphic interface) is Transact-SQL (TSQL), an implementation of the ANSI standard of the SQL language, used to manipulate and retrieve data (DML), create tables and define relationships between them (DDL). This book develops the design, management and administration of databases through the relational language TRANSACT SQL
Author : Jeffrey Strickland
Publisher : Lulu.com
ISBN 13 : 131284101X
Total Pages : 554 pages
Book Rating : 4.3/5 (128 download)
Download or read book Predictive Analytics using R written by Jeffrey Strickland and published by Lulu.com. This book was released on 2015-01-16 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is about predictive analytics. Yet, each chapter could easily be handled by an entire volume of its own. So one might think of this a survey of predictive modeling. A predictive model is a statistical model or machine learning model used to predict future behavior based on past behavior. In order to use this book, one should have a basic understanding of mathematical statistics - it is an advanced book. Some theoretical foundations are laid out but not proven, but references are provided for additional coverage. Every chapter culminates in an example using R. R is a free software environment for statistical computing and graphics. You may download R, from a preferred CRAN mirror at http: //www.r-project.org/. The book is organized so that statistical models are presented first (hopefully in a logical order), followed by machine learning models, and then applications: uplift modeling and time series. One could use this a textbook with problem solving in R-but there are no "by-hand" exercises.
Author : OLANA ANGESA DABI
Publisher : American Academic Press
ISBN 13 : 1631818392
Total Pages : 171 pages
Book Rating : 4.6/5 (318 download)
Download or read book CONCEPTS OF REGRESSION ANALYSIS AND STATISTICAL METHODS written by OLANA ANGESA DABI and published by American Academic Press. This book was released on 2017-08-09 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book aims to provide the reader with useful information in the realm of simple linear regression: parameter estimation and model fitting; prediction; inference about parameters; linear correlation and inference about correlation coefficient; multiple linear regression model: model assumptions, parameter estimation; coefficient of multiple determination; partial correlation coefficients; partitioning sum of squares, ANOVA table construction, test of hypothesis, prediction, dummy variables; residual analysis: assessing the model assumptions. Statistical estimation and statistical hypothesis testing; sampling distribution of: the sample mean, sample proportion, sample variance, difference between two sample means, difference between two sample proportions and the ratio of two sample variances; inference about: the population mean, population proportion and the population variance; comparison of: two population means, two population proportions, two population variances; paired versus independent population comparisons; sample size determination; statistical test of hypothesis about equality of more than two population means, multiple-comparison method; chi-square test of association and homogeneity; non-parametric methods. Generally, this book deals with concept of Regression Analysis and Statistical Methods.
Author : John Neter
Publisher : McGraw-Hill/Irwin
ISBN 13 :
Total Pages : 750 pages
Book Rating : 4.3/5 (91 download)
Download or read book Applied Linear Regression Models written by John Neter and published by McGraw-Hill/Irwin. This book was released on 1996 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt: Simple linear regression; Multiple linear regression; Nonlinear regression; Correlation analysis.
Author : Giuseppe Ciaburro
Publisher : Packt Publishing Ltd
ISBN 13 : 1788622707
Total Pages : 416 pages
Book Rating : 4.7/5 (886 download)
Download or read book Regression Analysis with R written by Giuseppe Ciaburro and published by Packt Publishing Ltd. This book was released on 2018-01-31 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Build effective regression models in R to extract valuable insights from real data Key Features Implement different regression analysis techniques to solve common problems in data science - from data exploration to dealing with missing values From Simple Linear Regression to Logistic Regression - this book covers all regression techniques and their implementation in R A complete guide to building effective regression models in R and interpreting results from them to make valuable predictions Book Description Regression analysis is a statistical process which enables prediction of relationships between variables. The predictions are based on the casual effect of one variable upon another. Regression techniques for modeling and analyzing are employed on large set of data in order to reveal hidden relationship among the variables. This book will give you a rundown explaining what regression analysis is, explaining you the process from scratch. The first few chapters give an understanding of what the different types of learning are – supervised and unsupervised, how these learnings differ from each other. We then move to covering the supervised learning in details covering the various aspects of regression analysis. The outline of chapters are arranged in a way that gives a feel of all the steps covered in a data science process – loading the training dataset, handling missing values, EDA on the dataset, transformations and feature engineering, model building, assessing the model fitting and performance, and finally making predictions on unseen datasets. Each chapter starts with explaining the theoretical concepts and once the reader gets comfortable with the theory, we move to the practical examples to support the understanding. The practical examples are illustrated using R code including the different packages in R such as R Stats, Caret and so on. Each chapter is a mix of theory and practical examples. By the end of this book you will know all the concepts and pain-points related to regression analysis, and you will be able to implement your learning in your projects. What you will learn Get started with the journey of data science using Simple linear regression Deal with interaction, collinearity and other problems using multiple linear regression Understand diagnostics and what to do if the assumptions fail with proper analysis Load your dataset, treat missing values, and plot relationships with exploratory data analysis Develop a perfect model keeping overfitting, under-fitting, and cross-validation into consideration Deal with classification problems by applying Logistic regression Explore other regression techniques – Decision trees, Bagging, and Boosting techniques Learn by getting it all in action with the help of a real world case study. Who this book is for This book is intended for budding data scientists and data analysts who want to implement regression analysis techniques using R. If you are interested in statistics, data science, machine learning and wants to get an easy introduction to the topic, then this book is what you need! Basic understanding of statistics and math will help you to get the most out of the book. Some programming experience with R will also be helpful
