The R student companion. (2016)

• Record Type: Book
• Further Information: Note: Brian Dennis.
• Other Names: Dennis, Brian, 1952-
• Contents: Introduction: Getting Started with R; R Tutorial; Vectors; Graphs; Real-World Example; Final Remarks; Computational Challenges; References; ; R Scripts ; Creating and Saving an R Script; Running an R Script; Finding Errors in an R Script; Sharpening Up Your Scripts with Comments; Real-World Example; Final Remarks; Computational Challenges; Reference; ; Functions ; Creating New Functions in R; More about User-Defined R Functions; Real-World Example; Final Remarks; Computational Challenges; Afternotes (Short Remarks on Topics for Further Study); References; ; Basic Graphs ; Real-World Example; Graphs of One Variable; Graphs of Two Variables; Final Remarks; Computational Challenges; Afternotes; ; Data Input and Output ; Data Frames in R; Final Remarks; Computational Challenges; Afternotes; ; Loops ; Writing a "For-Loop"; Checking the Loop; OK, Mr. Fibonacci…So What?; Real-World Example; Final Remarks; Computational Challenges; References; ; Logic and Control ; Logical Comparison Operators and Logical Vectors; Boolean Operations; Missing Data; More about Indexes; Conditional Statements; Real-World Example; Final Remarks; Computational Challenges; Afternotes; Reference; ; Quadratic Functions ; Real-World Example; Final Remarks; Computational Challenges; References; ; Trigonometric Functions ; Right Triangles; Trigonometric Functions; Right Triangles, Circles, and Radians; Properties of Trigonometric Functions; Polar Coordinates; Triangulation of Distances; Real-World Examples; Final Remarks; Computational Challenges; Afternotes; ; Exponential and Logarithmic Functions ; Achieving Real Power; The Special Number e; The Number e in Applications; The Exponential Function; Exponential Growth; Logarithmic Functions; Logarithmic Scales; Real-World Examples; Final Remarks; Computational and Algebraic Challenges; References; ; Matrix Arithmetic ; Another Way to Multiply Vectors; Matrix Multiplication; Matrix Addition and Subtraction; Reading a Data File into a Matrix; Real-World Example; Final Remarks; Computational Challenges; Afterwords; References; ; Systems of Linear Equations ; Matrix Representation; Matrix Inverse; Inverse Matrices and System Solutions in R; Real-World Examples; Final Remarks; Computational Challenges; Afternotes; References; ; Advanced Graphs ; Two-Dimensional Plots; Options for Styles of Symbols, Lines, Axes; Other Customizations; Multiple Panels; Three-Dimensional Plots; Color; Final Remarks; Computational Challenges; Reference; ; Probability and Simulation ; Random Variables; Probability; Probability Distributions of Counts; Probability Distributions of Measurements; Real-World Example; Computational Challenges; Afternotes; References; ; Fitting Models to Data ; Fitting a Quadratic Model; Multiple Predictor Variables; Nonlinear Statistical Models; Final Remarks; Computational Challenges; Afternotes; References; ; Conclusion—It Doesn’t Take a Rocket Scientist ; Real Solar System Example; The Problem; The Concept; Changes in Velocities; Move the Earth; Getting Organized; Outline of R Script for Calculating the Trajectory of Earth; The R Script; Computational Challenges; Afternotes; ; Appendix A: Installing R ; Appendix B: Getting Help ; Appendix C: Common R Expressions ; Index
• Publisher Details: Place of publication not identified : Chapman and Hall/CRC
• Publication Date: 2016
• Extent: 1 online resource, illustrations
• Subjects: 519.50285; Probabilities; Mathematical statistics -- Data processing; Statistics -- Data processing; R (Computer program language)
• Languages: English
• ISBNs: 9781439875414; 1439875413
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.