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

(38,842 reviews)

Beginner level

Recommended experience

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

(38,842 reviews)

Beginner level

Recommended experience

7 months to complete
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.

Details to know

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Taught in English
55 practice exercises

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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

Specialization - 10 course series

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

R Programming, R (Software), Version Control, Data Science, Data Analysis, Rmarkdown, Statistical Programming, GitHub, Software Installation, Data Literacy, and Exploratory Data Analysis
R Programming

R Programming

Course 257 hours

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

R Programming, Simulations, Performance Tuning, Debugging, Data Analysis, Data Import/Export, Data Structures, Program Development, Programming Principles, Statistical Analysis, Computer Programming Tools, and Statistical Programming
Getting and Cleaning Data

Getting and Cleaning Data

Course 319 hours

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

Data Manipulation, Data Cleansing, R Programming, Data Import/Export, SQL, Application Programming Interface (API), Data Management, Data Wrangling, MySQL, Web Scraping, and Data Collection
Exploratory Data Analysis

Exploratory Data Analysis

Course 455 hours

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

Plot (Graphics), Ggplot2, Exploratory Data Analysis, R Programming, Scatter Plots, Data Visualization Software, Statistical Visualization, Histogram, Box Plots, Statistical Methods, Dimensionality Reduction, Data Analysis, and Unsupervised Learning
Reproducible Research

Reproducible Research

Course 57 hours

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

Knitr, Rmarkdown, Data Analysis, Exploratory Data Analysis, Version Control, Data Sharing, Data Validation, Statistical Reporting, General Science and Research, R Programming, and Technical Communication
Statistical Inference

Statistical Inference

Course 655 hours

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

Statistical Inference, Statistical Hypothesis Testing, Probability Distribution, Probability, Statistical Methods, Statistical Analysis, Statistics, Data Analysis, Sampling (Statistics), Bayesian Statistics, Probability & Statistics, Sample Size Determination, and Statistical Modeling
Regression Models

Regression Models

Course 753 hours

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

Regression Analysis, Statistical Modeling, Statistical Inference, Correlation Analysis, Statistical Methods, Predictive Modeling, Statistical Analysis, Probability & Statistics, and Data Analysis
Practical Machine Learning

Practical Machine Learning

Course 88 hours

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

Predictive Modeling, Random Forest Algorithm, R Programming, Feature Engineering, Machine Learning Algorithms, Classification And Regression Tree (CART), Regression Analysis, Data Collection, Data Processing, Applied Machine Learning, Supervised Learning, Machine Learning, and Predictive Analytics
Developing Data Products

Developing Data Products

Course 910 hours

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

R Programming, Rmarkdown, Interactive Data Visualization, Shiny (R Package), Web Applications, Data Visualization Software, Statistical Reporting, Package and Software Management, Data Mapping, Data Presentation, Data Visualization, R (Software), and Plotly
Data Science Capstone

Data Science Capstone

Course 105 hours

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

Natural Language Processing, Predictive Modeling, Data Analysis, Statistical Analysis, Data Collection, Data Presentation, Exploratory Data Analysis, Data Cleansing, R Programming, Data Storytelling, Data Science, Data Manipulation, and Machine Learning

Earn a career certificate

Add this credential to your LinkedIn profile, resume, or CV. Share it on social media and in your performance review.

Instructors

Roger D. Peng, PhD
Johns Hopkins University
37 Courses1,662,379 learners
Brian Caffo, PhD
Johns Hopkins University
30 Courses1,691,113 learners
Jeff Leek, PhD
Johns Hopkins University
32 Courses1,727,590 learners

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