دانلود کتاب Advanced R

فهرست مطالب :

Cover Half Title Series Page Title Page Copyright Page Dedication Contents Preface 1 Introduction 1.1 Why R? 1.2 Who should read this book 1.3 What you will get out of this book 1.4 What you will not learn 1.5 Meta-techniques 1.6 Recommended reading 1.7 Getting help 1.8 Acknowledgments 1.9 Conventions 1.10 Colophon I: Foundations Introduction 2 Names and values 2.1 Introduction 2.2 Binding basics 2.3 Copy-on-modify 2.4 Object size 2.5 Modify-in-place 2.6 Unbinding and the garbage collector 2.7 Quiz answers 3 Vectors 3.1 Introduction 3.2 Atomic vectors 3.3 Attributes 3.4 S3 atomic vectors 3.5 Lists 3.6 Data frames and tibbles 3.7 NULL 3.8 Quiz answers 4 Subsetting 4.1 Introduction 4.2 Selecting multiple elements 4.3 Selecting a single element 4.4 Subsetting and assignment 4.5 Applications 4.6 Quiz answers 5 Control flow 5.1 Introduction 5.2 Choices 5.3 Loops 5.4 Quiz answers 6 Functions 6.1 Introduction 6.2 Function fundamentals 6.3 Function composition 6.4 Lexical scoping 6.5 Lazy evaluation 6.6 ... (dot-dot-dot) 6.7 Exiting a function 6.8 Function forms 6.9 Quiz answers 7 Environments 7.1 Introduction 7.2 Environment basics 7.3 Recursing over environments 7.4 Special environments 7.5 Call stacks 7.6 As data structures 7.7 Quiz answers 8 Conditions 8.1 Introduction 8.2 Signalling conditions 8.3 Ignoring conditions 8.4 Handling conditions 8.5 Custom conditions 8.6 Applications 8.7 Quiz answers II: Functional programming Introduction 9 Functionals 9.1 Introduction 9.2 My first functional: map() 9.3 Purrr style 9.4 Map variants 9.5 Reduce family 9.6 Predicate functionals 9.7 Base functionals 10 Function factories 10.1 Introduction 10.2 Factory fundamentals 10.3 Graphical factories 10.4 Statistical factories 10.5 Function factories + functionals 11 Function operators 11.1 Introduction 11.2 Existing function operators 11.3 Case study: Creating your own function operators III: Object-oriented programming Introduction 12 Base types 12.1 Introduction 12.2 Base versus OO objects 12.3 Base types 13 S3 13.1 Introduction 13.2 Basics 13.3 Classes 13.4 Generics and methods 13.5 Object styles 13.6 Inheritance 13.7 Dispatch details 14 R6 14.1 Introduction 14.2 Classes and methods 14.3 Controlling access 14.4 Reference semantics 14.5 Why R6? 15 S4 15.1 Introduction 15.2 Basics 15.3 Classes 15.4 Generics and methods 15.5 Method dispatch 15.6 S4 and S3 16 Trade-offs 16.1 Introduction 16.2 S4 versus S3 16.3 R6 versus S3 IV: Metaprogramming Introduction 17 Big picture 17.1 Introduction 17.2 Code is data 17.3 Code is a tree 17.4 Code can generate code 17.5 Evaluation runs code 17.6 Customising evaluation with functions 17.7 Customising evaluation with data 17.8 Quosures 18 Expressions 18.1 Introduction 18.2 Abstract syntax trees 18.3 Expressions 18.4 Parsing and grammar 18.5 Walking AST with recursive functions 18.6 Specialised data structures 19 Quasiquotation 19.1 Introduction 19.2 Motivation 19.3 Quoting 19.4 Unquoting 19.5 Non-quoting 19.6 ... (dot-dot-dot) 19.7 Case studies 19.8 History 20 Evaluation 20.1 Introduction 20.2 Evaluation basics 20.3 Quosures 20.4 Data masks 20.5 Using tidy evaluation 20.6 Base evaluation 21 Translating R code 21.1 Introduction 21.2 HTML 21.3 LaTeX V: Techniques Introduction 22 Debugging 22.1 Introduction 22.2 Overall approach 22.3 Locating errors 22.4 Interactive debugger 22.5 Non-interactive debugging 22.6 Non-error failures 23 Measuring performance 23.1 Introduction 23.2 Profiling 23.3 Microbenchmarking 24 Improving performance 24.1 Introduction 24.2 Code organisation 24.3 Checking for existing solutions 24.4 Doing as little as possible 24.5 Vectorise 24.6 Avoiding copies 24.7 Case study: t-test 24.8 Other techniques 25 Rewriting R code in C++ 25.1 Introduction 25.2 Getting started with C++ 25.3 Other classes 25.4 Missing values 25.5 Standard Template Library 25.6 Case studies 25.7 Using Rcpp in a package 25.8 Learning more 25.9 Acknowledgments Bibliography Index