Tabla de Contenidos: “…Intro -- Title Page -- Copyright -- Dedication -- Table of Contents -- About the Authors -- Preface -- Acknowledgments -- About the Companion Website -- chapter 1: R -- 1.1 Introduction -- 1.2 Data -- 1.3 The Very Basics of R -- 1.4 Running an R Session -- 1.5 Getting Help -- 1.6 How to Use This Book -- Chapter 2: R Data, Part 1: Vectors -- 2.1 Vectors -- 2.2 Data Types -- 2.3 Subsets of Vectors -- 2.4 Missing Data (NA) and Other Special Values -- 2.5 The table() Function -- 2.6 Other Actions on Vectors -- 2.7 Long Vectors and Big Data -- 2.8 Chapter Summary and Critical Data Handling Tools -- Chapter 3: R Data, Part 2: More Complicated Structures -- 3.1 Introduction -- 3.2 Matrices -- 3.3 Lists -- 3.4 Data Frames -- 3.5 Operating on Lists and Data Frames -- 3.6 Date and Time Objects -- 3.7 Other Actions on Data Frames -- 3.8 Handling Big Data -- 3.9 Chapter Summary and Critical Data Handling Tools -- chapter 4: R Data, Part 3: Text and Factors -- 4.1 Character Data -- 4.2 Converting Numbers into Text -- 4.3 Constructing Character Strings: Paste in Action -- 4.4 Regular Expressions -- 4.5 UTF-8 and Other Non-ASCII Characters -- 4.6 Factors -- 4.7 R Object Names and Commands as Text -- 4.8 Chapter Summary and Critical Data Handling Tools -- Chapter 5: Writing Functions and Scripts -- 5.1 Functions -- 5.2 Scripts and Shell Scripts -- 5.3 Error Handling and Debugging -- 5.4 Interacting with the Operating System -- 5.5 Speeding Things Up -- 5.6 Chapter Summary and Critical Data Handling Tools -- Chapter 6: Getting Data into and out of R -- 6.1 Reading Tabular ASCII Data into Data Frames -- 6.2 Reading Large, Non-Tabular, or Non-ASCII Data -- 6.3 Reading Data From Relational Databases -- 6.4 Handling Large Numbers of Input Files -- 6.5 Other Formats -- 6.6 Reading and Writing R Data Directly -- 6.7 Chapter Summary and Critical Data Handling Tools…”

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Tabla de Contenidos: “…MCSA Windows Server® 2012 R2 Complete Study Guide; Copyright; Acknowledgments; About the Authors; Contents at a Glance; Contents; Table of Exercises; Introduction; The Microsoft Certification Program; How Do You Become Certified on Windows Server 2012 R2?…”