table calculations

2021 Week 3 | Tableau : Can you build a Control Chart

Introduction Is it too late now to start the post with Happy New Year?  Well it’s my first Workout of the year so Happy New Year everyone, it’s really great to be back for my third year! After completing the first two workouts from this year (because I suck at Table Calculations), I wanted to …

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2021 Week 2 | Tableau : Can you build a Customer Lifetime Value Matrix?

Introduction This year we’ve made a commitment to start with the basics and build, so this challenge is designed to do just that. This week, you’ll be constructing a Customer Lifetime Value Matrix (CLTV).  This viz is frequently used in marketing and retail industries to understand the value of each customer.  Specifically, the interesting insights …

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2020 Week 46: Can you build a Premier League table?

Introduction I was scrolling thru my Twitter timeline and noticed a comment by fellow Zen Master Simon Beaumont to #MakeoverMonday co-lead Charlie Hutcheson regarding tables, specifically the kind to track teams and the results of matches in the English Premier League (which are a group of the highest level teams that play football/soccer in England). …

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2020 Week 42: Can you build a Strava Workout Calendar?

Introduction When Lorna asked me to be a Community contributor for Workout Wednesday, honestly, I was hesitant since I don’t participate every week. I typically only take on the challenges that I think are most beneficial to me as a teacher. I want to share work that I know the Data Schoolers are likely to …

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2020 Week 32: COVID-19 New Case Trends

Introduction This week I wanted to post a WOW challenge derived from a chart I’ve been reporting on for the past 7 months: a cartogram of states showing rolling-seven day average of new COVID-19 cases by state. For this challenge you will use data from Tableau’s COVID-19 Data Hub. I picked this challenge because working …

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2020 Week 27: What is the distribution of total orders by customer?

Introduction After many weeks of practical challenges. I’ve decided to switch it up this week. If I’m being honest I’ve been saving this challenge since August of last year (it’s still not the oldest challenge I am saving). This weeks challenge is to make a symmetrical dot plot. Not only is the dot plot symmetrical …

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2020 Week 24: Can you compare a 3-day vs. 14-day moving average and describe the latest trend?

Introduction I’ve got an exciting challenge for you this week!  It involves collaboration with a peer of mine in the data community (Jami Delagrange, who you may recognize as an upcoming Community Month contributor) and also a challenge that involves working with COVID-19 data. This built-for-mobile dashboard was born out of seeking to understand the …

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2020 Week 18: Which products were most profitable?

Introduction Sometimes you want to make fun charts, but life gives you tables. This challenge is another real-life challenge I’ve encountered through Dr. Alicia Bembenek: show a table, but only highlight a subset of the products. An innocent challenge that is actually more difficult than it first appears. –LS. Be sure to check out the …

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Week 9: What is the 90 day reorder rate?

Introduction I’m not going to hide it: this week will be hard. But this challenge is inspired by real events. In the four months I’ve helped solve various versions of this same problem: how do you do nest a table calculation inside of a level-of-detail calculation? You don’t. But you can nest table calculations–which is …

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