DANL 101
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  • Start Here
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    • Semester map
    • Syllabus
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    • 01 · Analytics workflow
    • 02 · DANL thinking + tools
    • 03 · R workflow + foundations
    • 04 · R fundamentals
    • 05 · Descriptive Statistics
    • 06 · Reading + transforming data
    • 07 · Data transformation + data types
    • 08 · Databases
    • 09 · Midterm + Visualization
    • 10 · Visualization: Distributions
    • 11 · Visualization: Relationships + time
    • 12 · Intro to Gen AI
    • 13 · Working with AI
    • 14 · Project studio
    • 15–16 · Present

DANL 101 · Introduction to Data Analytics Instructor: Byeong-Hak Choe SUNY Geneseo · Fall 2026

DANL 101 · Fall 2026 · SUNY Geneseo

Learn to think with data.

Analyze data with R, create clear visualizations, and tell evidence-based stories that help people decide—with generative AI supporting the process.

Start with Week 9

Week 09 · Oct 19–23

This week’s materials

Midterm + Visualization

Lecture 7Data Visualization I: Distributions and Group Comparisons Classwork 10Distribution of a Numeric Variable
Everything in reach

Course materials

Find the available lecture slides, classwork, and homework below. Weekly pages show how the materials fit together.

Lecture slides

  • Lecture 1 Syllabus and Course Outline
  • Lecture 2 Data Analytics Thinking and Tools
  • Lecture 3 R Fundamentals
  • Lecture 4 Descriptive Statistics with R
  • Lecture 5 Reading and Transforming Data with R
  • Lecture 6 Data Types, Databases, and Keys
  • Lecture 7 Data Visualization I: Distributions and Group Comparisons
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Classwork

  • Classwork 10 Distribution of a Numeric Variable
  • Classwork 11 Distribution of a Numeric Variable Across Groups
  • Classwork 12 Distribution of a Categorical Variable
  • Classwork 13 Distribution of a Categorical Variable Across Groups
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View all classwork

Homework

  • Homework 1 Data Analytics Thinking, R Fundamentals, and Descriptive Statistics
  • Homework 2 Descriptive Statistics and Reading and Transforming Data with R
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Exams

  • Selected Past Exam Questions for Midterm DANL 101 · Fall 2026
  • Midterm Exam Guide DANL 101 · Fall 2026
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Group projectBrowse project topics, supporting datasets, and the storytelling guideline. Semester mapSee the week-by-week course path, topics, and major dates. SyllabusCourse policies, outcomes, assessment, and full details.

Dates to keep in view

Plan around the moments that shape the semester.

Aug 26First course meeting
Oct 10–13Fall break
Oct 19Midterm exam
Dec 2–7Group presentations
Semester map

From analytics thinking to data-informed decisions.

Prepare data and study databases before the October 19 midterm, then explore visualization for three weeks and generative AI for two weeks before project work and presentations.

01Frame · Weeks 1–2Analytics questions + decision toolsTurn decisions into answerable questions, evaluate evidence, and use dashboards and analytics tools thoughtfully.→ 02Build · Weeks 3–4R foundations + statisticsWork with objects, vectors, data frames, and functions, then summarize center, spread, and distributions.→ 03Prepare · Weeks 5–8Statistics, transformation + databasesSummarize data, practice dplyr, and use Lecture 6 to understand data types, relational tables, keys, and left_join().→ 04Assess + visualize · Weeks 9–11Midterm + data visualizationAfter the October 19 midterm, begin Lecture 7 and Classwork 10 with histograms, then build toward group comparisons, relationships, and time trends.→
05Explore AI · Weeks 12–13 · Coming soonGenerative AI + responsible useStudy capabilities and limits, practice prompting and iteration, and verify outputs while considering disclosure, bias, and privacy.
06Apply + present · Weeks 14–16 · Coming soonProject studio + presentationsCheck the group project’s data and code, refine findings, rehearse, and present the completed analysis.
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