1.

Record Nr.

UNINA9910965383503321

Autore

Gardener Mark

Titolo

The essential R reference / / Mark Gardener

Pubbl/distr/stampa

Indianapolis, Ind., : J. Wiley & Sons, Inc., 2013

ISBN

9781118722435

1118722434

9781118391389

1118391381

9781283851534

1283851539

9781118391402

1118391403

Edizione

[1st edition]

Descrizione fisica

1 online resource (578 p.)

Disciplina

005.1

Soggetti

R (Computer program language)

Object-oriented programming languages

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Includes index.

Nota di contenuto

The Essential R Reference; About the Author; Acknowledgments; Contents; Introduction; Theme 1: Data; Data Types; Types of Data; Altering Data Types; Testing Data Types; Creating Data; Creating Data from the Keyboard; Creating Data from the Clipboard; Adding to Existing Data; Importing Data; Importing Data from Text Files; Importing Data from Data Files; Saving Data; Saving Data as a Text File to Disk; Saving Data as a Data File to Disk; Viewing Data; Listing Data; Data Object Properties; Selecting and Sampling Data; Sorting and Rearranging Data; Summarizing Data; Summary Statistics

Summary TablesDistribution of Data; Density Functions; Probability Functions; Quantile Functions; Random Numbers; Theme 2: Math and Statistics; Mathematical Operations; Math; Logic; Complex Numbers; Trigonometry; Hyperbolic Functions; Matrix Math; Summary Statistics; Simple Summary Stats; Tests of Distribution; Differences Tests; Parametric Tests; Non-parametric; Correlations and Associations;



Correlation; Association and Goodness of Fit; Analysis of Variance and Linear Modeling; ANOVA; Linear Modeling; Miscellaneous Methods; Clustering; Ordination; Time Series

Non-linear Modeling and OptimizationTheme 3: Graphics; Making Graphs; Types of Graphs; Saving Graphs; Adding to Graphs; Adding Data; Adding Lines; Adding Shapes; Adding Text; Adding Legends; Graphical Parameters; Using the par Command; Altering Color; Altering Axis Parameters; Altering Text Parameters; Altering Line (and Box) Parameters; Altering Plot Margins; Altering the Graph Window; Theme 4: Utilities; Install; Installing R; Installing Packages; Using R; Using the Program; Additional Packages; Programming; Managing Functions; Saving and Running Scripts; Conditional Control

Returning ResultsError Trapping; Constants; Index

Sommario/riassunto

An essential library of basic commands you can copy and paste into R The powerful and open-source statistical programming language R is rapidly growing in popularity, but it requires that you type in commands at the keyboard rather than use a mouse, so you have to learn the language of R. But there is a shortcut, and that's where this unique book comes in. A companion book to Visualize This: The FlowingData Guide to Design, Visualization, and Statistics, this practical reference is a library of basic R commands that you can copy and paste into R to perform many types of stat



2.

Record Nr.

UNINA9910585939903321

Autore

Vukovic Darko

Titolo

The Influence of COVID-19 on Sustainable Economy

Pubbl/distr/stampa

Basel, : MDPI - Multidisciplinary Digital Publishing Institute, 2022

Descrizione fisica

1 online resource (136 p.)

Soggetti

Information technology industries

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Sommario/riassunto

This book examines applied studies contributing to the issues of financial markets and sustainable economy in conditions of COVID-19 pandemic. All studies in this book applied complex models with quantitative data in the areas of finance, macro and sustainable economy, as well as business and management, to express the main issues of the financial-economic universe during the pandemic crisis. Some of the studies offer possible solutions in the sustainable post-COVID era. This book is also of particular interest in relation to the green economy during the COVID-19 pandemic.