The Book of R

The Book of R
Author: Tilman M. Davies
Publisher: No Starch Press
Total Pages: 833
Release: 2016-07-16
Genre: Computers
ISBN: 1593276516

The Book of R is a comprehensive, beginner-friendly guide to R, the world’s most popular programming language for statistical analysis. Even if you have no programming experience and little more than a grounding in the basics of mathematics, you’ll find everything you need to begin using R effectively for statistical analysis. You’ll start with the basics, like how to handle data and write simple programs, before moving on to more advanced topics, like producing statistical summaries of your data and performing statistical tests and modeling. You’ll even learn how to create impressive data visualizations with R’s basic graphics tools and contributed packages, like ggplot2 and ggvis, as well as interactive 3D visualizations using the rgl package. Dozens of hands-on exercises (with downloadable solutions) take you from theory to practice, as you learn: –The fundamentals of programming in R, including how to write data frames, create functions, and use variables, statements, and loops –Statistical concepts like exploratory data analysis, probabilities, hypothesis tests, and regression modeling, and how to execute them in R –How to access R’s thousands of functions, libraries, and data sets –How to draw valid and useful conclusions from your data –How to create publication-quality graphics of your results Combining detailed explanations with real-world examples and exercises, this book will provide you with a solid understanding of both statistics and the depth of R’s functionality. Make The Book of R your doorway into the growing world of data analysis.

Ielts - The Complete Guide to General Reading

Ielts - The Complete Guide to General Reading
Author: Phil Biggerton
Publisher:
Total Pages: 166
Release: 2015-04-15
Genre: Education
ISBN: 9780956633224

IELTS - The Complete Guide to General Reading takes you step by step, from a basic understanding of the IELTS exam to a point where you have the necessary skills and confidence to take the exam. You will be introduced to twelve question types commonly used in the IELTS exam: Short answers, Sentence completion, Summary completion, Multiple choice, Table completion, Labelling flowcharts and processes, Matching Paragraph selection, True, False, Not Given and Yes, No, Not Given, Headings, Diagrams. Apart from many practice exercises, 5 complete practice tests are also provided.

Famous Puzzles of Great Mathematicians

Famous Puzzles of Great Mathematicians
Author: Miodrag Petkovi_
Publisher: American Mathematical Soc.
Total Pages: 346
Release: 2009-09-02
Genre: Mathematics
ISBN: 0821848143

This entertaining book presents a collection of 180 famous mathematical puzzles and intriguing elementary problems that great mathematicians have posed, discussed, and/or solved. The selected problems do not require advanced mathematics, making this book accessible to a variety of readers. Mathematical recreations offer a rich playground for both amateur and professional mathematicians. Believing that creative stimuli and aesthetic considerations are closely related, great mathematicians from ancient times to the present have always taken an interest in puzzles and diversions. The goal of this book is to show that famous mathematicians have all communicated brilliant ideas, methodological approaches, and absolute genius in mathematical thoughts by using recreational mathematics as a framework. Concise biographies of many mathematicians mentioned in the text are also included. The majority of the mathematical problems presented in this book originated in number theory, graph theory, optimization, and probability. Others are based on combinatorial and chess problems, while still others are geometrical and arithmetical puzzles. This book is intended to be both entertaining as well as an introduction to various intriguing mathematical topics and ideas. Certainly, many stories and famous puzzles can be very useful to prepare classroom lectures, to inspire and amuse students, and to instill affection for mathematics.

Building a Super Station

Building a Super Station
Author: David Robbins
Publisher:
Total Pages: 280
Release: 2005-11
Genre:
ISBN: 9781411662285

History of the construction of a Ham Radio super contest station. 21+ years of construction, reconstruction, and maintenance at K1TTT with tips for both big and small contest stations.

Thermal and Flow Design of Helium-cooled Reactors

Thermal and Flow Design of Helium-cooled Reactors
Author: Gilbert Melese
Publisher:
Total Pages: 444
Release: 1984
Genre: Technology & Engineering
ISBN:

This source book provides both an overview of gas-cooled reactors and a detailed look at the high-temperature gas-cooled reactor (HTGR). Taking a worldwide perspective, this book reviews the early development of the HTGR and explores potential future development and applications.

Growing Elite Marijuana

Growing Elite Marijuana
Author: Ryan Riley
Publisher: Createspace Independent Publishing Platform
Total Pages: 740
Release: 2016-06-28
Genre:
ISBN: 9781534900417

This is a full step by step guide to growing the most potent marijuana you can. Written by Ryan Riley.