Straightforward Statistics: Understanding the Tools of Research

By Glenn Geher

Straightforward records: knowing the instruments of analysis is a transparent and direct advent to statistical data for the social, behavioral, and existence sciences. in keeping with the author's wide event instructing undergraduate facts, this booklet offers a story presentation of the middle ideas that offer the basis for modern day data. With step by step tips at the nuts and bolts of computing those information, the ebook comprises certain tutorials tips on how to use cutting-edge software program, SPSS, to compute the elemental records hired in sleek educational and utilized study. throughout thirteen succinct chapters, this article provides information utilizing a conceptual method in addition to info at the relevance of the several instruments in numerous contexts and summaries of present study examples.

Students may still locate this publication effortless precious and interesting in its presentation whereas teachers may still locate it distinctive, accomplished, available, and worthy in complementing a uncomplicated path in statistics.

Show description

Read more


By Badi H. Baltagi

This textbook teaches the various uncomplicated econometric equipment and the underlying assumptions at the back of them. it is also an easy and concise remedy of extra complicated themes in time-series, constrained based variables and panel information versions, in addition to specification checking out, Gauss-Newton regressions and regression diagnostics. a number of the strengths of this e-book lie in offering tough fabric in an easy, but rigorous demeanour. The workouts comprise theoretical difficulties that are supposed to complement the knowledge of the cloth in every one bankruptcy. moreover, the booklet has a suite of empirical illustrations demonstrating the various easy effects discovered in every one bankruptcy. The empirical routines are solved utilizing numerous econometric software program applications.

Show description

Read more

Standard Deviations: Flawed Assumptions, Tortured Data, and Other Ways to Lie with Statistics

By Gary Smith

“A very exciting ebook a few very major problem. We mislead ourselves forever with facts, and it's time we wised up.” –Robert J. Shiller, Winner of the Nobel Prize in Economics

were you aware that baseball avid gamers whose names commence with the letter “D” usually tend to die younger? Or that Asian americans are such a lot at risk of center assaults at the fourth day of the month? Or that consuming a whole pot of espresso each morning will upload years in your lifestyles, yet one cup an afternoon raises the chance of pancreatic melanoma? All of those “facts” were argued with a directly face through credentialed researchers and subsidized up with reams of knowledge and convincing statistics.

As Nobel Prize–winning economist Ronald Coase as soon as cynically saw, “If you torture facts lengthy adequate, it's going to confess.” mendacity with facts is a ordinary con. In normal Deviations, economics professor Gary Smith walks us throughout the numerous methods and traps that individuals use to again up their very own crackpot theories. occasionally, the unscrupulous intentionally attempt to lie to us. different instances, the well-intentioned are blissfully ignorant of the mischief they're committing. this present day, facts is so abundant that researchers spend priceless little time distinguishing among solid, significant symptoms and overall garbage. not just do others use information to idiot us, we idiot ourselves.

With the breakout good fortune of Nate Silver’s The sign and the Noise, the as soon as humdrum topic of statistics hasn't ever been warmer. Drawing on leap forward study in behavioral economics by way of luminaries like Daniel Kahneman and Dan Ariely and taking to activity the various conclusions of Freakonomics writer Steven D. Levitt, typical Deviations demystifies the technology at the back of facts and makes it effortless to identify the fraud all around.

London instances e-book of the Week (2014) 50 graphs and eight b&w illustrations

Show description

Read more

Statistical Theory and Inference

This textual content is for a one semester graduate path in statistical conception and covers minimum and entire adequate records, greatest probability estimators, approach to moments, bias and suggest sq. mistakes, uniform minimal variance estimators and the Cramer-Rao reduce sure, an creation to massive pattern idea, probability ratio assessments and uniformly strongest checks and the Neyman Pearson Lemma. an immense objective of this article is to make those subject matters even more obtainable to scholars by utilizing the speculation of exponential families.

Exponential households, indicator services and the aid of the distribution are used in the course of the textual content to simplify the speculation. greater than 50 ``brand identify" distributions are used to demonstrate the speculation with many examples of exponential households, greatest chance estimators and uniformly minimal variance independent estimators. there are numerous homework issues of over 30 pages of solutions.

Show description

Read more

Statistics for Business and Economics

Detect how the main relied on method of facts this day is just robust with the newest market-leading textual content from revered authors Anderson/Sweeney/Williams. data FOR enterprise AND ECONOMICS, 11e introduces sound statistical technique inside a powerful functions atmosphere. The authors sincerely show how statistical effects supply insights into enterprise judgements and current ideas to modern company difficulties. New situations and greater than 350 actual company examples and remarkable workouts, a hundred and fifty of that are new during this variation, current the most recent statistical info and enterprise info. With this book's accomplished assurance and unwavering accuracy, you decide the themes most sensible on your direction, together with thorough insurance of the newest models of MiniTab 15 and Excel 2007, in addition to StatTools and different prime Excel 2007 statistical add-ins inside of bankruptcy appendices. Author-written aid fabrics and CengageNOW on-line direction administration procedure presents time-saving, entire aid to make sure scholar knowing. decide on Anderson/Sweeney/Williams' facts FOR enterprise AND ECONOMICS, 11e for the easily strong statistical answer you would like on your path.

Show description

Read more

ggplot2: Elegant Graphics for Data Analysis (Use R!)

By Hadley Wickham

This re-creation to the vintage booklet by means of ggplot2 author Hadley Wickham highlights compatibility with knitr and RStudio. ggplot2 is an information visualization package deal for R that is helping clients create info photos, together with those who are multi-layered, comfortably. With ggplot2, it is easy to:


  • produce good-looking, publication-quality plots with automated legends produced from the plot specification
  • superimpose a number of layers (points, strains, maps, tiles, field plots) from diverse information resources with instantly adjusted universal scales
  • add customizable smoothers that use robust modeling services of R, resembling loess, linear types, generalized additive versions, and powerful regression
  • save any ggplot2 plot (or half thereof) for later amendment or reuse
  • create customized subject matters that trap in-house or magazine variety specifications and which could simply be utilized to a number of plots
  • approach a graph from a visible standpoint, puzzling over how every one element of the information is represented at the ultimate plot


This booklet could be necessary to every person who has struggled with exhibiting info in an informative and tasty approach. a few uncomplicated wisdom of R is critical (e.g., uploading information into R).  ggplot2 is a mini-language particularly adapted for generating photographs, and you can research every little thing you would like within the ebook. After analyzing this e-book you possibly can produce images personalized accurately on your difficulties, and you will find it effortless to get snap shots from your head and directly to the reveal or page.

Show description

Read more

R For Dummies

By Andrie de Vries

Master the programming language of selection between statisticians and information analysts worldwide

Coming to grips with R might be tricky, even for professional statisticians and knowledge analysts. input R For Dummies, the fast, effortless solution to grasp all of the R you will ever want. Requiring no past programming event and jam-packed with useful examples, effortless, step by step workouts, and pattern code, this tremendous available consultant is the proper creation to R for entire novices. It additionally covers many options that intermediate-level programmers will locate tremendous useful.

  • Master your R ABCs ? wake up to hurry very quickly with the fundamentals, from fitting and configuring R to writing easy scripts and appearing simultaneous calculations on many variables
  • Put facts as a substitute ? get to understand your method round lists, info frames, and different R info buildings whereas studying to engage with different courses, equivalent to Microsoft Excel
  • Make info dance in your music ? the best way to reshape and control facts, merge information units, cut up and mix facts, practice calculations on vectors and arrays, and masses more
  • Visualize it ? discover ways to use R's robust facts visualization beneficial properties to create attractive and informative graphical displays of your data
  • Get statistical ? how one can do easy statistical research, summarize your variables, and behavior vintage statistical checks, resembling t-tests
  • Expand and customise R ? get the lowdown on how to define, set up, and utilize add-on applications created through the worldwide R neighborhood for a large choice of purposes
  • Open the booklet and find:
  • Help downloading, fitting, and configuring R
  • Tips for purchasing information out and in of R
  • Ways to take advantage of information frames and lists to prepare data
  • How to control and approach data
  • Advice on becoming regression versions and ANOVA
  • Helpful tricks for operating with graphics
  • How to code in R
  • What R mailing lists and boards can do for you

Show description

Read more

How to Lie with Statistics

By Darrell Huff, Irving Geis

Over part 1000000 Copies Sold--an Honest-to-Goodness Bestseller

Darrell Huff runs the gamut of each popularly used form of statistic, probes things like the pattern examine, the tabulation approach, the interview procedure, or the best way the consequences are derived from the figures, and issues up the numerous variety of dodges that are used to complete instead of to notify.

Show description

Read more

Analysis of Longitudinal Data (Oxford Statistical Science Series)

The 1st variation of research for Longitudinal facts has develop into a vintage. Describing the statistical types and strategies for the research of longitudinal facts, it covers either the underlying statistical conception of every technique, and its software to a number examples from the rural and biomedical sciences. the most subject matters mentioned are layout matters, exploratory tools of study, linear versions for non-stop information, common linear types for discrete info, and types and strategies for dealing with info and lacking values. less than each one heading, labored examples are provided in parallel with the methodological improvement, and enough element is given to permit the reader to breed the author's effects utilizing the data-sets as an appendix. This moment variation, released for the 1st time in paperback, presents an intensive and improved revision of this significant textual content. It comprises new chapters; the 1st discusses absolutely parametric types for discrete repeated measures info, and the second one explores statistical types for time-dependent predictors.

Show description

Read more

Performance Modeling and Design of Computer Systems: Queueing Theory in Action

By Mor Harchol-Balter

Desktops layout is stuffed with conundrums:

•Given a decision among a unmarried computer with velocity s, or n machines every one with velocity s/n, which should still we choose?

•If either the coming expense and repair expense double, will the suggest reaction time remain the same?

•Should structures fairly objective to stability load, or is that this a handy delusion?
•If a scheduling coverage favors one set of jobs, does it unavoidably harm another jobs, or are those "conservation legislation" being misinterpreted?

•Do grasping, shortest-delay, routing techniques make feel in a server farm, or is what is stable for the person disastrous for the procedure as a whole?

•How do excessive activity measurement variability and heavy-tailed workloads have an effect on the alternative of a scheduling policy?

•How may still one alternate off power and hold up in designing a working laptop or computer system?

•If 12 servers are had to meet hold up promises while the arriving fee is nine jobs/sec, can we want 12,000 servers whilst the arriving price is 9,000 jobs/sec?

Tackling the questions that structures designers care approximately, this booklet brings queueing concept decisively again to machine technology. The booklet is written with laptop scientists and engineers in brain and is stuffed with examples from desktops, in addition to production and operations study. enjoyable and readable, the ebook is extremely approachable, even for undergraduates, whereas nonetheless being completely rigorous and likewise overlaying a much broader span of themes than many queueing books. Readers take advantage of a full of life mixture of motivation and instinct, with illustrations, examples, and greater than three hundred workouts - all whereas buying the abilities had to version, examine, and layout large-scale structures with strong functionality and occasional fee. The workouts are an incredible characteristic, instructing research-level counterintuitive classes within the layout of computers. The target is to coach readers not just to customise current analyses but in addition to invent their very own.

Show description

Read more

1 2 3 4 5 17