R: in 8 Hours, for Beginners, Learn Coding Fast!

By: Ray Yao

About This BookThis Book Absolutely for Beginners:"R in 8 Hours" covers all essential R language knowledge. You can learn complete primary skills of R language fast and easily. The book includes more than 80 practical examples for beginners and includes tests & answers for the college exam, the engineer certification exam, and the job interview exam. Source Code for Download:This book provides source code for download; you can download the source code for better study, or copy the source code to your favorite editor to test the programs. Download link: forms.aweber.com/form/29/1359658629.htm Table of ContentsHour 1R InstallationTest R ProgramHour 2Run R ProgramCommentData TypeVariablesVariable AssignmentC( ) functionVector AssignmentPrint Value of VariableSearch VariablesMatch VariablesRemove VariablesHour 3OperatorsAdditionSubtractionMultiplicationDivisionRemainderModulusExponentiationGreater ThanLess ThanEqual ToGreater Than or Equal ToLess Than or Equal ToNot Equal ToANDORNOTLogical ANDLogical ORLeft AssignmentRight AssignmentColon operatorMember OperatorHour 4If StatementIf...else StatementSwitch StatementLoopRepeat LoopWhile LoopFor LoopFunctionFunction without ArgumentFunction with default argumentsBuilt-in FunctionsStringGet a SubStringConvert to StringConnect StringsCount the String NumbersConvert to Upper CaseConvert to Lower CaseCharacter ReplacementHour 5VectorCreate a Vectorsep( ) functionAccess the VectorDelete Vector ElementVector AdditionVector SubtractionVector MultiplicationVector DivisionVector of Different LengthSorting VectorListCreate ListAccess the Elements of ListAdd an Element to ListRemove the Last ElementUpdate an ElementMerge Two ListsConvert List to VectorHour 6MatrixCreate a MatrixAccess the MatrixExamples of Creating MatricesMatrix AdditionMatrix SubtractionMatrix MultiplicationMatrix DivisionName the Rows & ColumnsArrayName the ArrayAccess ArrayArray OperationHour 7FactorChange Level SequenceSet the Factor LevelData FramesData Frame StructureSummary of Data FramesShow Specified DataHour 8Add Columns to Data FrameAdd Rows to Data Framecbine( ) FunctionCombines Data FramesR PackagesCheck Directory of R LibrariesView Installed PackagesView the Using PackagesInstall New PackagesLoad the PackageAppendix R Tests & AnswersTestsAnswersThis book includes R Language Tests & Answers for an interview, college exam, and engineer certification exam.Click the Buy button now, start coding today! Tags:R, R language, R book, R ebook, R web design, learning R, R coding, R programming, learn R, R reference, R tutorial, R crash course, study R step by step, R example, R sample, R ultimate guide, R code, R program, R develop, R development, R interview, R test, R job, R for beginners, R quick start guide, R for dummies, R in 8 hours, R for kids

• Format: Paperback
• Language: English
• ISBN: 1731132174
• ISBN13: 9781731132178
• Release Date: November 2018
• Publisher: Independently Published
• Length: 143 Pages
• Weight: 0.74 lbs.
• Dimensions: 0.3" x 7.5" x 9.3"