# Discovering Statistics Using R

by Andy Field, Jeremy Miles, Zoe FieldISBN-10: 1446200469

ISBN-13: 9781446200469

Pub. Date: 04/04/2012

Publisher: SAGE Publications

The R version of Andy Field's hugely popular Discovering Statistics Using SPSS takes students on a journey of statistical discovery using the freeware R. Like its sister textbook, Discovering Statistics Using R is written in an irreverent style and follows the same ground-breaking structure and pedagogical approach. The core material is enhanced by a cast of

… See more details below## Overview

The R version of Andy Field's hugely popular Discovering Statistics Using SPSS takes students on a journey of statistical discovery using the freeware R. Like its sister textbook, Discovering Statistics Using R is written in an irreverent style and follows the same ground-breaking structure and pedagogical approach. The core material is enhanced by a cast of characters to help the reader on their way, hundreds of examples, self-assessment tests to consolidate knowledge, and additional website material for those wanting to learn more.

## Product Details

- ISBN-13:
- 9781446200469
- Publisher:
- SAGE Publications
- Publication date:
- 04/04/2012
- Pages:
- 992
- Sales rank:
- 191,323
- Product dimensions:
- 7.80(w) x 10.40(h) x 1.80(d)

## Table of Contents

Why Is My Evil Lecturer Forcing Me to Learn Statistics?

What will this chapter tell me?

What the hell am I doing here? I don't belong here

Initial observation: finding something that needs explaining

Generating theories and testing them

Data collection 1: what to measure

Data collection 2: how to measure

Analysing data

What have I discovered about statistics?

Key terms that I've discovered

Smart Alex's tasks

Further reading

Interesting real research

Everything You Ever Wanted to Know About Statistics (Well, Sort of)

What will this chapter tell me?

Building statistical models

Populations and samples

Simple statistical models

Going beyond the data

Using statistical models to test research questions

What have I discovered about statistics?

Key terms that I've discovered

Smart Alex's tasks

Further reading

Interesting real research

The R Environment

What will this chapter tell me?

Before you start

Getting started

Using R

Getting data into R

Entering data with R Commander

Using other software to enter and edit data

Saving Data

Manipulating Data

What have I discovered about statistics?

R Packages Used in This Chapter

R Functions Used in This Chapter

Key terms that I've discovered

Smart Alex's Tasks

Further reading

Exploring Data with Graphs

What will this chapter tell me?

The art of presenting data

Packages used in this chapter

Introducing ggplot2

Graphing relationships: the scatterplot

Histograms: a good way to spot obvious problems

Boxplots (box-whisker diagrams)

Density plots

Graphing means

Themes and options

What have I discovered about statistics?

R packages used in this chapter

R functions used in this chapter

Key terms that I've discovered

Smart Alex's tasks

Further reading

Interesting real research

Exploring Assumptions

What will this chapter tell me?

What are assumptions?

Assumptions of parametric data

Packages used in this chapter

The assumption of normality

Testing whether a distribution is normal

Testing for homogeneity of variance

Correcting problems in the data

What have I discovered about statistics?

R packages used in this chapter

R functions used in this chapter

Key terms that I've discovered

Smart Alex's tasks

Further reading

Correlation

What will this chapter tell me?

Looking at relationships

How do we measure relationships?

Data entry for correlation analysis

Bivariate correlation

Partial correlation

Comparing correlations

Calculating the effect size

How to report correlation coefficents

What have I discovered about statistics?

R packages used in this chapter

R functions used in this chapter

Regression

What will this chapter tell me?

An Introduction to regression

Packages used in this chapter

General procedure for regression in R

Interpreting a simple regression

Multiple regression: the basics

How accurate is my regression model?

How to do multiple regression using R Commander and R

Testing the accuracy of your regression model

Robust regression: bootstrapping

How to report multiple regression

Categorical predictors and multiple regression

What have I discovered about statistics?

R packages used in this chapter

R functions used in this chapter

Key terms that I've discovered

Smart Alex's tasks

Further reading

Interesting real research

Logistic Regression

What will this chapter tell me?

Background to logistic regression

What are the principles behind logistic regression?

Assumptions and things that can go wrong

Packages used in this chapter

Binary logistic regression: an example that will make you feel eel

How to report logistic regression

Testing assumptions: another example

Predicting several categories: multinomial logistic regression

What have I discovered about statistics?

R packages used in this chapter

R functions used in this chapter

Key terms that I've discovered

Smart Alex's tasks

Further reading

Interesting real research

Comparing Two Means

What will this chapter tell me?

Packages used in this chapter

Looking at differences

The *t*-test

The independent *t*-test

The dependent *t*-test

Between groups or repeated measures?

What have I discovered about statistics?

R packages used in this chapter

R functions used in this chapter

Key terms that I've discovered

Smart Alex's tasks

Further reading

Interesting real research

Comparing Several Means: ANOVA (GLM 1)

What will this chapter tell me?

The theory behind ANOVA

Assumptions of ANOVA

Planned contrasts

*Post hoc* procedures

One-way ANOVA using R

Calculating the effect size

Reporting results from one-way independent ANOVA

What have I discovered about statistics?

R packages used in this chapter

R functions used in this chapter

Key terms that I've discovered

Smart Alex's tasks

Further reading

Interesting real research

Analysis of Covariance, ANCOVA (GLM 2)

What will this chapter tell me?

What is ANCOVA?

Assumptions and issues in ANCOVA

ANCOVA using R

Robust ANCOVA

Calculating the effect size

Reporting results

What have I discovered about statistics?

R packages used in this chapter

R functions used in this chapter

Key terms that I've discovered

Smart Alex's tasks

Further reading

Interesting real research

Factorial ANOVA (GLM 3)

What will this chapter tell me?

Theory of factorial ANOVA (independant design)

Factorial ANOVA as regression

Two-Way ANOVA: Behind the scenes

Factorial ANOVA using R

Interpreting interaction graphs

Robust factorial ANOVA

Calculating effect sizes

Reporting the results of two-way ANOVA

What have I discovered about statistics?

R packages used in this chapter

R functions used in this chapter

Key terms that I've discovered

Smart Alex's tasks

Further reading

Interesting real research

Repeated-Measures Designs (GLM 4)

What will this chapter tell me?

Introduction to repeated-measures designs

Theory of one-way repeated-measures ANOVA

One-way repeated measures designs using R

Effect sizes for repeated measures designs

Reporting one-way repeated measures designs

Factorisal repeated measures designs

Effect Sizes for factorial repeated measures designs

Reporting the results from factorial repeated measures designs

What have I discovered about statistics?

R packages used in this chapter

R functions used in this chapter

Key terms that I've discovered

Smart Alex's tasks

Further reading

Interesting real research

Mixed Designs (GLM 5)

What will this chapter tell me?

Mixed designs

What do men and women look for in a partner?

Entering and exploring your data

Mixed ANOVA

Mixed designs as a GLM

Calculating effect sizes

Reporting the results of mixed ANOVA

Robust analysis for mixed designs

What have I discovered about statistics?

R packages used in this chapter

R functions used in this chapter

Key terms that I've discovered

Smart Alex's tasks

Further reading

Interesting real research

Non-Parametric Tests

What will this chapter tell me?

When to use non-parametric tests

Packages used in this chapter

Comparing two independent conditions: the Wilcoxon rank-sum test

Comparing two related conditions: the Wilcoxon signed-rank test

Differences between several independent groups: the Kruskal-Wallis test

Differences between several related groups: Friedman's ANOVA

What have I discovered about statistics?

R packages used in this chapter

R functions used in this chapter

Key terms that I've discovered

Smart Alex's tasks

Further reading

Interesting real research

Multivariate Analysis of Variance (MANOVA)

What will this chapter tell me?

When to use MANOVA

Introduction: similarities and differences to ANOVA

Theory of MANOVA

Practical issues when conducting MANOVA

MANOVA using R

Robust MANOVA

Reporting results from MANOVA

Following up MANOVA with discriminant analysis

Reporting results from discriminant analysis

Some final remarks

What have I discovered about statistics?

R packages used in this chapter

R functions used in this chapter

Key terms that I've discovered

Smart Alex's tasks

Further reading

Interesting real research

Exploratory Factor Analysis

What will this chapter tell me?

When to use factor analysis

Factors

Research example

Running the analysis with R Commander

Running the analysis with R

Factor scores

How to report factor analysis

Reliability analysis

Reporting reliability analysis

What have I discovered about statistics?

R Packages Used in This Chapter

R Functions Used in This Chapter

Key terms that I've discovered

Smart Alex's tasks

Further reading

Interesting real research

Categorical Data

What will this chapter tell me?

Packages used in this chapter

Analysing categorical data

Theory of Analysing Categorical Data

Assumptions of the chi-square test

Doing the chi-square test using R

Several categorical variables: loglinear analysis

Assumptions in loglinear analysis

Loglinear analysis using R

Following up loglinear analysis

Effect sizes in loglinear analysis

Reporting the results of loglinear analysis

What have I discovered about statistics?

R packages used in this chapter

R functions used in this chapter

Key terms that I've discovered

Smart Alex's tasks

Further reading

Interesting real research

Multilevel Linear Models

What will this chapter tell me?

Hierarchical data

Theory of multilevel linear models

The multilevel model

Some practical issues

Multilevel modelling on R

Growth models

How to report a multilevel model

What have I discovered about statistics?

R packages used in this chapter

R functions used in this chapter

Key terms that I've discovered

Smart Alex's tasks

Further reading

Interesting real research

Epilogue: Life After Discovering Statistics

Troubleshooting R

Glossary

Appendix

Table of the standard normal distribution

Critical Values of the t-Distribution

Critical Values of the F-Distribution

Critical Values of the chi-square Distribution

References

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