Johns Hopkins University
Data Science Specialization
Johns Hopkins University

Data Science Specialization

Launch Your Career in Data Science. A ten-course introduction to data science, developed and taught by leading professors.

Roger D. Peng, PhD
Brian Caffo, PhD
Jeff Leek, PhD

Instructors: Roger D. Peng, PhD

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Get in-depth knowledge of a subject
4.5

(38,787 reviews)

Beginner level

Recommended experience

7 months
at 10 hours a week
Flexible schedule
Learn at your own pace
Get in-depth knowledge of a subject
4.5

(38,787 reviews)

Beginner level

Recommended experience

7 months
at 10 hours a week
Flexible schedule
Learn at your own pace

What you'll learn

  • Use R to clean, analyze, and visualize data.

  • Navigate the entire data science pipeline from data acquisition to publication.

  • Use GitHub to manage data science projects.

  • Perform regression analysis, least squares and inference using regression models.

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Taught in English

Advance your subject-matter expertise

  • Learn in-demand skills from university and industry experts
  • Master a subject or tool with hands-on projects
  • Develop a deep understanding of key concepts
  • Earn a career certificate from Johns Hopkins University
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Specialization - 10 course series

The Data Scientist’s Toolbox

Course 117 hours4.6 (33,988 ratings)

What you'll learn

  • Set up R, R-Studio, Github and other useful tools

  • Understand the data, problems, and tools that data analysts use

  • Explain essential study design concepts

  • Create a Github repository

Skills you'll gain

Category: Version Control
Category: Rmarkdown
Category: Data Science
Category: R Programming
Category: Exploratory Data Analysis
Category: Software Installation
Category: Statistical Programming
Category: Data Analysis
Category: General Science and Research

R Programming

Course 257 hours4.5 (22,293 ratings)

What you'll learn

  • Understand critical programming language concepts

  • Configure statistical programming software

  • Make use of R loop functions and debugging tools

  • Collect detailed information using R profiler

Skills you'll gain

Category: R Programming
Category: Simulations
Category: Performance Tuning
Category: Debugging
Category: Computer Programming
Category: Program Development
Category: Data Structures
Category: Data Import/Export
Category: Statistical Programming
Category: Software Installation
Category: Statistical Analysis
Category: Data Analysis

Getting and Cleaning Data

Course 319 hours4.5 (8,065 ratings)

What you'll learn

  • Understand common data storage systems

  • Apply data cleaning basics to make data "tidy"

  • Use R for text and date manipulation

  • Obtain usable data from the web, APIs, and databases

Skills you'll gain

Category: Data Manipulation
Category: Data Import/Export
Category: Data Cleansing
Category: R Programming
Category: Application Programming Interface (API)
Category: MySQL
Category: Web Scraping
Category: Data Management
Category: Data Collection
Category: Data Integration

Exploratory Data Analysis

Course 454 hours4.7 (6,071 ratings)

What you'll learn

  • Understand analytic graphics and the base plotting system in R

  • Use advanced graphing systems such as the Lattice system

  • Make graphical displays of very high dimensional data

  • Apply cluster analysis techniques to locate patterns in data

Skills you'll gain

Category: R Programming
Category: Exploratory Data Analysis
Category: Ggplot2
Category: Graphing
Category: Data Analysis
Category: Statistical Methods
Category: Data Visualization
Category: Data Visualization Software
Category: Data Storytelling
Category: Dimensionality Reduction
Category: Unsupervised Learning
Category: Statistical Analysis

Reproducible Research

Course 57 hours4.6 (4,175 ratings)

What you'll learn

  • Organize data analysis to help make it more reproducible

  • Write up a reproducible data analysis using knitr

  • Determine the reproducibility of analysis project

  • Publish reproducible web documents using Markdown

Skills you'll gain

Category: Knitr
Category: Rmarkdown
Category: Statistical Reporting
Category: Data Analysis
Category: R Programming
Category: Exploratory Data Analysis
Category: Technical Communication
Category: Data Sharing
Category: Version Control
Category: Statistical Analysis

Statistical Inference

Course 654 hours4.2 (4,444 ratings)

What you'll learn

  • Understand the process of drawing conclusions about populations or scientific truths from data

  • Describe variability, distributions, limits, and confidence intervals

  • Use p-values, confidence intervals, and permutation tests

  • Make informed data analysis decisions

Skills you'll gain

Category: Statistical Inference
Category: Probability Distribution
Category: Probability
Category: Statistical Hypothesis Testing
Category: Bayesian Statistics
Category: Statistical Analysis
Category: Sampling (Statistics)
Category: Statistical Modeling
Category: Statistics
Category: Statistical Methods
Category: Probability & Statistics

Regression Models

Course 753 hours4.4 (3,363 ratings)

What you'll learn

  • Use regression analysis, least squares and inference

  • Understand ANOVA and ANCOVA model cases

  • Investigate analysis of residuals and variability

  • Describe novel uses of regression models such as scatterplot smoothing

Skills you'll gain

Category: Regression Analysis
Category: Statistical Modeling
Category: Statistical Inference
Category: Correlation Analysis
Category: Probability & Statistics
Category: Statistical Hypothesis Testing
Category: Predictive Modeling
Category: Statistical Methods
Category: Data Analysis
Category: Statistical Analysis

Practical Machine Learning

Course 88 hours4.5 (3,248 ratings)

What you'll learn

  • Use the basic components of building and applying prediction functions

  • Understand concepts such as training and tests sets, overfitting, and error rates

  • Describe machine learning methods such as regression or classification trees

  • Explain the complete process of building prediction functions

Skills you'll gain

Category: Predictive Modeling
Category: R Programming
Category: Machine Learning Algorithms
Category: Random Forest Algorithm
Category: Applied Machine Learning
Category: Machine Learning
Category: Classification And Regression Tree (CART)
Category: Feature Engineering
Category: Regression Analysis
Category: Data Analysis
Category: Statistical Machine Learning
Category: Predictive Analytics
Category: Supervised Learning

Developing Data Products

Course 910 hours4.6 (2,256 ratings)

What you'll learn

  • Develop basic applications and interactive graphics using GoogleVis

  • Use Leaflet to create interactive annotated maps

  • Build an R Markdown presentation that includes a data visualization

  • Create a data product that tells a story to a mass audience

Skills you'll gain

Category: Rmarkdown
Category: Interactive Data Visualization
Category: Leaflet (Software)
Category: R Programming
Category: Shiny (R Package)
Category: Plotly
Category: Hypertext Markup Language (HTML)
Category: Statistical Reporting
Category: UI Components
Category: Data Visualization
Category: Package and Software Management
Category: Data Visualization Software
Category: Data Presentation
Category: Web Applications
Category: GitHub

Data Science Capstone

Course 105 hours4.5 (1,229 ratings)

What you'll learn

  • Create a useful data product for the public

  • Apply your exploratory data analysis skills

  • Build an efficient and accurate prediction model

  • Produce a presentation deck to showcase your findings

Skills you'll gain

Category: Predictive Modeling
Category: Data Processing
Category: Data Presentation
Category: Exploratory Data Analysis
Category: Statistical Analysis
Category: Data Analysis
Category: Data Cleansing
Category: Data Collection
Category: Applied Machine Learning
Category: Data Science
Category: Technical Communication

Instructors

Roger D. Peng, PhD
Johns Hopkins University
37 Courses1,627,888 learners
Brian Caffo, PhD
Johns Hopkins University
30 Courses1,654,699 learners
Jeff Leek, PhD
Johns Hopkins University
32 Courses1,685,934 learners

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