• Log In
  • Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar

Data Science

Fall 2021 - Section 001 - Aleksi Aaltonen

Data Science

MIS 0855.001 ■ Fall 2023 ■ Aleksi Aaltonen
  • Announcements
  • Schedule
  • Readings
  • About
    • Course overview and policies
    • Grading
    • Get Tableau software
    • Aleksi, your instructor
    • Gradebook

Blog

Great Tutorial on Excel Pivot Table Feature

November 8, 2023

The following video provides a great introduction to doing pivot tables in Excel: https://youtu.be/UsdedFoTA68

Filed Under: Blog

Relative vs. Absolute Cell References in Excel

October 16, 2023

Here is a short clip explaining how relative cell references differ from absolute cell references in Excel.

Here is also a link to my Excel demo spreadsheet.

Filed Under: Blog

What is a Relational Database?

October 12, 2023

This video demonstrates differences between a relational database and an Excel spreadsheet for storing data:

https://youtu.be/iKK3P11OCyM

Filed Under: Blog

How Bad Data Ruins Your Day

October 12, 2023

Here are some of my favorite horror stories how things went wrong due to bad data:

https://www.simscale.com/blog/2017/12/nasa-mars-climate-orbiter-metric/

Filed Under: Blog

Telling Stories with Data

September 25, 2023

There are several ‘how to’ articles on how to tell a story with data, just google ‘telling stories with data’:

https://www.google.com/search?q=telling+stories+with+data

They all tell pretty much the same story, so you can choose the one that works for you.

Filed Under: Blog

Beware of Online Filter Bubbles

September 25, 2023

An old but still relevant TED talk by Eli Pariser on how the web is being inconspicuously personalized for individual tastes creating bubbles of like-minded people.

https://www.ted.com/talks/eli_pariser_beware_online_filter_bubbles?utm_source=tedcomshare&utm_medium=social&utm_campaign=tedspread

…and its critique:

https://slate.com/news-and-politics/2011/06/eli-pariser-s-the-filter-bubble-is-web-personalization-turning-us-into-solipsistic-twits.html

…and a more recent take on the topic:

https://www.theverge.com/interface/2019/11/12/20959479/eli-pariser-civic-signals-filter-bubble-q-a

Filed Under: Blog

A Simple Vocabulary of Data Science Concepts

September 15, 2023

A short summary of important data science concepts we discuss during the course in Aleksi Aaltonen’s blog:

https://aleksiaaltonen.medium.com/a-simple-vocabulary-of-data-science-concepts-dc29c633f5ee

It’s just 2 min read and gives you an overview of many important concepts we will discuss during the semester.

 

Filed Under: Blog

Correlation without Causation

September 1, 2023

Here are some brilliant examples of correlations that surely do not indicate causation!

https://www.tylervigen.com/spurious-correlations

Filed Under: Blog

Primary Sidebar

Show posts in category

Lecture recordings

Recordings of our sessions are available from here.

Recent Announcements

  • Group Project Submission Form
  • Week 13 Reading Quiz
  • Group List is Here
  • Post Your Selected Tweets as Comments Here!
  • Week 12 Reading Quiz

TEACHING TEAM

Aleksi Aaltonen (Instructor)
aleksi@temple.edu

I am available to meet students on Wednesdays 2–3pm at Speakman 206D. If the time is not convenient for you or you want to meet virtually using Zoom, please send me an email.

Ziyi Zhao (Graduate Teaching Assistant)
ziyi.zhao0001@temple.edu

Aesha Patel (B4USoar mentor)
aesha.patel0003@temple.edu

Great Data Sites

  • FiveThirtyEight
  • Guardian Data Blog
  • Flowing Data
  • Financial Times Data Blog
  • Pew Research Data
  • US Government Open Data
  • OpenDataPhilly

Copyright © 2025 · Department of Management Information Systems · Fox School of Business · Temple University