Western Governors University

D598: Analytics Programming

A guide to WGU's D598, the MS Data Analytics course that builds algorithmic thinking in Python and R.

Updated October 2026 · 5 min read

D598 Analytics Programming is a three-unit course in the first term of WGU's Master of Science in Data Analytics. WGU describes it as building algorithmic thinking using both the Python and R programming languages, starting from the foundations of programming.

Learners use libraries and packages to perform common analytics tasks, including acquiring, organizing and manipulating datasets, and learn methods for applying statistical functions and graphical user interfaces for basic analysis and presentation. It is a prerequisite for several later courses, so the habits formed here carry through the program.

Course at a Glance

ItemDetails
UniversityWestern Governors University
Course codeD598
LevelGraduate (MS Data Analytics)
Subject areaProgramming for analytics in Python and R
Standard pathTerm 1, 3 competency units
Typical workDocumenting a programming task, writing programs and organizing data

What D598 Covers

Competency (WGU wording, summarized)What it means in practice
Documents the component parts of a complex programming taskBreaking a problem into steps and describing each
Integrates syntax, control elements and modular components to create simple programsVariables, loops, conditions and functions in Python and R
Performs data acquisition and organization tasks using an analytics languageReading data in and shaping it with packages

Key Concepts Explained

Decomposing a Task

Before coding, list the inputs, steps and outputs. Each step can then become a function or a block of code you can test on its own.

Control Flow and Functions

Conditions choose between paths; loops repeat actions; functions package a task so it can be reused. Clean functions with clear names make code easier to explain and to debug.

Illustration (hypothetical): Task: report the average value per category in a file. Steps: read the file, group by category, compute the mean, display a table. In Python this might use a data frame library; in R, a data frame with grouping functions. Writing the steps first shows the same logic in either language.

Libraries and Packages

Analytics work relies on shared libraries for data frames, statistics and plotting. Learn what a library does, how to import it and how to read its documentation.

Typical Assignments and How to Approach Them

Task typeWhat it testsHow to approach it
Task documentationPlanningWrite inputs, steps and outputs in plain language
Program creationSyntax and logicBuild small pieces and test each one
Data acquisition and organizationPractical data handlingCheck structure and types after loading

Working Across Python and R

Because the course uses both languages, it helps to see how the same ideas appear in each.

IdeaWhat to notice
Data framesBoth languages offer a table structure with rows and columns, but indexing rules differ
FunctionsSame purpose, different syntax
PackagesBoth rely on libraries that you install and load
Counting from zero or oneA common source of off-by-one mistakes when switching

Documenting a Programming Task

The first competency is about documentation. Describe the task's inputs, the processing steps in order, any decisions or loops, and the outputs. Pseudocode or a simple flow description works well. Writing this before coding makes the program easier to build, and the document gives an evaluator a clear view of your reasoning.

Self-Check Before You Submit

Re-run everything from a clean session before you submit. Code that only works because of leftover variables is a common source of surprises.

Learning the Two Languages Efficiently

Rather than learning Python and R separately, solve the same small problem in both, such as reading a file, filtering rows and summarizing a column. Compare the results and note where syntax differs.

Keeping a personal reference sheet of equivalent commands makes the later courses easier, because Data Preparation, Deployment and Optimization all assume this fluency.

Where Students Get Stuck

Study Tips for D598

How We Help with D598

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Frequently Asked Questions

What does D598 cover?

Algorithmic thinking in Python and R, using libraries to acquire, organize and manipulate data, and basic statistical functions and interfaces.

Where is it in the degree?

Term one of the MS Data Analytics standard path.

Is it a prerequisite?

Yes, it feeds courses such as Data Preparation and Exploration, Deployment, Machine Learning and Optimization.

Do I need to know both languages already?

The course builds from programming foundations, but practice helps.

Which IDE should I use?

Follow your course of study.

Can GradeEssays complete my assessment?

No. We provide tutoring, custom answers, editing and feedback only.