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Modeling Data in the Tidyverse · LearnSpace
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Modeling Data in the Tidyverse

Курс от Johns Hopkins University
Уровень не указан≈ 21.4 чАнглийский
О курсеНавыкиПрограммаПреподаватели

О курсе

Developing insights about your organization, business, or research project depends on effective modeling and analysis of the data you collect. Building effective models requires understanding the different types of questions you can ask and how to map those questions to your data. Different modeling approaches can be chosen to detect interesting patterns in the data and identify hidden relationships. This course covers the types of questions you can ask of data and the various modeling approaches that you can apply. Topics covered include hypothesis testing, linear regression, nonlinear modeling, and machine learning. With this collection of tools at your disposal, as well as the techniques learned in the other courses in this specialization, you will be able to make key discoveries from your data for improving decision-making throughout your organization. In this specialization we assume familiarity with the R programming language. If you are not yet familiar with R, we suggest you first complete R Programming before returning to complete this course.

Навыки, которые вы освоите

Tidyverse (R Package)Statistical InferenceApplied Machine LearningRegression AnalysisModel EvaluationData SciencePredictive ModelingSampling (Statistics)Data AnalysisStatistical ModelingR ProgrammingData-Driven Decision-MakingRmarkdownStatistical ProgrammingPredictive AnalyticsStatistical Hypothesis TestingMachine LearningExploratory Data AnalysisStatistical Methods

Программа курса

11 модулей · 85 учебных материалов

01Modeling Data Basics17 материалов

Modeling Data Basics

Course TextbookЧтениеThe Purpose of Data ScienceЧтение

Types of Data Science Questions

Types of Data Science QuestionsЧтение

Data Needs

Data NeedsЧтение

Учитесь у экспертов

Shannon Ellis, PhD

Assistant Teaching Professor, Cognitive Science

Stephanie Hicks, PhD

Assistant Professor, Biostatistics

Roger D. Peng, PhD

Professor of Statistics and Data Sciences

Carrie Wright, PhD

Senior Staff Scientist

Modeling Data in the Tidyverse
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Обучение откроется на Coursera
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Обучение на Coursera

≈ 21.4 ч

11 модулей

Язык: Английский

Часть программы вашего университета
Number of observations is too smallЧтение
Dataset does not contain the exact variables you are looking forЧтение
Variables in the dataset are not collected in the same yearЧтение
Dataset is not representative of the population that you are interested inЧтение
Some variables in the dataset are measured with errorЧтение
Variables are confoundedЧтение

Descriptive and Exploratory Data Analysis

Descriptive and Exploratory Data AnalysisЧтениеMissing ValuesЧтениеShapeЧтениеIdentifying OutliersЧтениеEvaluating VariablesЧтениеEvaluating RelationshipsЧтениеModeling Data Basics QuizЗадание
02Inference4 материалов

Inference

InferenceЧтениеUncertaintyЧтениеRandom SamplingЧтениеInference QuizЗадание
03Linear Modeling13 материалов

Linear Modeling

Linear RegressionЧтениеAssumptionsЧтениеAssociationЧтениеAssociation Testing in RЧтениеFitting the ModelЧтениеModel DiagnosticsЧтениеTree Girth and Height ExampleЧтениеInterpreting the ModelЧтениеVariance ExplainedЧтениеUsing broomЧтениеCorrelation Is Not CausationЧтениеConfoundingЧтениеLinear Regression QuizЗадание
04Multiple Linear Regression2 материалов

Multiple Linear Regression

Multiple Linear RegressionЧтениеMultiple Linear Regression QuizЗадание
05Beyond Linear Regression3 материалов

Beyond Linear Regression

Beyond Linear RegressionЧтениеMean Different From Expectation?ЧтениеTesting Mean Difference From Expectation in RЧтение
06Hypothesis Testing5 материалов

More Statistical Tests

More Statistical TestsЧтениеCommon statistical tests are linear models (or: how to teach stats)PLUGIN

Hypothesis Testing

Hypothesis TestingЧтениеThe infer PackageЧтениеHypothesis Testing QuizЗадание
07Prediction Modeling13 материалов

Prediction Modeling

Prediction ModelingЧтениеWhat is Machine Learning?ЧтениеMachine Learning StepsЧтениеData SplittingЧтениеTrain, Test, ValidateЧтениеTrainЧтениеTestЧтениеValidateЧтениеVariable SelectionЧтениеModel SelectionЧтениеRegression vs. ClassificationЧтениеModel AccuracyЧтениеPrediction and Machine Learning QuizЗадание
08The tidymodels Ecosystem6 материалов

The tidymodels Ecosystem

The tidymodels EcosystemЧтениеBenefits of tidymodelsЧтениеPackages of tidymodelsЧтениеExample of Continuous Variable PredictionЧтениеExample of Categorical Variable PredictionЧтениеtidymodels QuizЗадание
09Case Studies18 материалов

Case Study #1: Predicting Annual Air Pollution

Case Study #1: Predicting Annual Air PollutionЛабораторнаяCase Study #1: Predicting Annual Air PollutionЧтениеThe DataЧтениеData ImportЧтениеData Exploration and WranglingЧтениеEvaluate CorrelationЧтениеSplitting the DataЧтениеMaking a RecipeЧтениеRunning PreprocessingЧтениеSpecifying the ModelЧтениеAssessing the Model FitЧтениеModel Performance: Getting Predicted ValuesЧтениеVisualizing Model PerformanceЧтениеQuantifying Model PerformanceЧтениеAssessing Model Performance on v -folds Using tuneЧтениеRandom ForestЧтениеModel TuningЧтениеFinal model performance evaluationЧтение
10Summary of tidymodels1 материалов

Summary of tidymodels

Summary of tidymodelsЧтение
11Project: Modeling Data in the Tidyverse3 материалов

Project

Modeling Data in the Tidyverse Course ProjectВзаимная проверкаImportant information before you start the quizЧтениеC​ourse Project Prediction QuizЗадание