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Artificial

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TableofContents
ArtificialIntelligencewithPython
Credits
AbouttheAuthor
AbouttheReviewer
www.PacktPub.com
Whysubscribe?
CustomerFeedback
Preface
Whatthisbookcovers
Whatyouneedforthisbook
Whothisbookisfor
Conventions
Readerfeedback
Customersupport
Downloadingtheexamplecode
Downloadingthecolorimagesofthisbook
Errata
Piracy
Questions
1.IntroductiontoArtificialIntelligence
WhatisArtificialIntelligence?
WhydoweneedtostudyAI?
ApplicationsofAI
BranchesofAI
DefiningintelligenceusingTuringTest
Makingmachinesthinklikehumans
Buildingrationalagents
GeneralProblemSolver
SolvingaproblemwithGPS
Buildinganintelligentagent
Typesofmodels
InstallingPython3
InstallingonUbuntu
InstallingonMacOSX
InstallingonWindows
Installingpackages
Loadingdata
Summary
2.ClassificationandRegressionUsingSupervisedLearning
Supervisedversusunsupervisedlearning
Whatisclassification?
Preprocessingdata
Binarization

Meanremoval
Scaling
Normalization
Labelencoding
LogisticRegressionclassifier
NaïveBayesclassifier
Confusionmatrix
SupportVectorMachines
ClassifyingincomedatausingSupportVectorMachines
WhatisRegression?
Buildingasinglevariableregressor
Buildingamultivariableregressor
EstimatinghousingpricesusingaSupportVectorRegressor
Summary
3.PredictiveAnalyticswithEnsembleLearning
WhatisEnsembleLearning?
BuildinglearningmodelswithEnsembleLearning
WhatareDecisionTrees?
BuildingaDecisionTreeclassifier
WhatareRandomForestsandExtremelyRandomForests?
BuildingRandomForestandExtremelyRandomForestclassifiers
Estimatingtheconfidencemeasureofthepredictions
Dealingwithclassimbalance
Findingoptimaltrainingparametersusinggridsearch
Computingrelativefeatureimportance
PredictingtrafficusingExtremelyRandomForestregressor
Summary
4.DetectingPatternswithUnsupervisedLearning
Whatisunsupervisedlearning?
ClusteringdatawithK-Meansalgorithm
EstimatingthenumberofclusterswithMeanShiftalgorithm
Estimatingthequalityofclusteringwithsilhouettescores
WhatareGaussianMixtureModels?
BuildingaclassifierbasedonGaussianMixtureModels
FindingsubgroupsinstockmarketusingAffinityPropagationmodel
Segmentingthemarketbasedonshoppingpatterns
Summary
5.BuildingRecommenderSystems
Creatingatrainingpipeline
Extractingthenearestneighbors
BuildingaK-NearestNeighborsclassifier
Computingsimilarityscores
Findingsimilarusersusingcollaborativefiltering
Buildingamovierecommendationsystem
Summary
6.LogicProgramming
Whatislogicprogramming?

Understandingthebuildingblocksoflogicprogramming
Solvingproblemsusinglogicprogramming
InstallingPythonpackages
Matchingmathematicalexpressions
Validatingprimes
Parsingafamilytree
Analyzinggeography
Buildingapuzzlesolver
Summary
7.HeuristicSearchTechniques
Whatisheuristicsearch?
UninformedversusInformedsearch
ConstraintSatisfactionProblems
Localsearchtechniques
SimulatedAnnealing
Constructingastringusinggreedysearch
Solvingaproblemwithconstraints
Solvingtheregion-coloringproblem
Buildingan8-puzzlesolver
Buildingamazesolver
Summary
8.GeneticAlgorithms
Understandingevolutionaryandgeneticalgorithms
Fundamentalconceptsingeneticalgorithms
Generatingabitpatternwithpredefinedparameters
Visualizingtheevolution
Solvingthesymbolregressionproblem
Buildinganintelligentrobotcontroller
Summary
9.BuildingGamesWithArtificialIntelligence
Usingsearchalgorithmsingames
Combinatorialsearch
Minimaxalgorithm
Alpha-Betapruning
Negamaxalgorithm
InstallingeasyAIlibrary
BuildingabottoplayLastCoinStanding
BuildingabottoplayTic-Tac-Toe
BuildingtwobotstoplayConnectFour™againsteachother
BuildingtwobotstoplayHexapawnagainsteachother
Summary
10.NaturalLanguageProcessing
Introductionandinstallationofpackages
Tokenizingtextdata
Convertingwordstotheirbaseformsusingstemming
Convertingwordstotheirbaseformsusinglemmatization
Dividingtextdataintochunks

ExtractingthefrequencyoftermsusingaBagofWordsmodel
Buildingacategorypredictor
Constructingagenderidentifier
Buildingasentimentanalyzer
TopicmodelingusingLatentDirichletAllocation
Summary
11.ProbabilisticReasoningforSequentialData
Understandingsequentialdata
Handlingtime-seriesdatawithPandas
Slicingtime-seriesdata
Operatingontime-seriesdata
Extractingstatisticsfromtime-seriesdata
GeneratingdatausingHiddenMarkovModels
IdentifyingalphabetsequenceswithConditionalRandomFields
Stockmarketanalysis
Summary
12.BuildingASpeechRecognizer
Workingwithspeechsignals
Visualizingaudiosignals
Transformingaudiosignalstothefrequencydomain
Generatingaudiosignals
Synthesizingtonestogeneratemusic
Extractingspeechfeatures
Recognizingspokenwords
Summary
13.ObjectDetectionandTracking
InstallingOpenCV
Framedifferencing
Trackingobjectsusingcolorspaces
Objecttrackingusingbackgroundsubtraction
BuildinganinteractiveobjecttrackerusingtheCAMShiftalgorithm
Opticalflowbasedtracking
Facedetectionandtracking
UsingHaarcascadesforobjectdetection
Usingintegralimagesforfeatureextraction
Eyedetectionandtracking
Summary
14.ArtificialNeuralNetworks
Introductiontoartificialneuralnetworks
Buildinganeuralnetwork
Traininganeuralnetwork
BuildingaPerceptronbasedclassifier
Constructingasinglelayerneuralnetwork
Constructingamultilayerneuralnetwork
Buildingavectorquantizer
Analyzingsequentialdatausingrecurrentneuralnetworks
VisualizingcharactersinanOpticalCharacterRecognitiondatabase