Emily Chen

As a bonafide biz nerd, Emily loves telling stories with data. Feeling frustrated with spreadsheets, Tableau and Alteryx unlocked creativity and freedom for her analysis.

She’s currently learning the art of data visualization and eager to apply these skills in banking and B2C strategy.

Outside of work, you will find her perusing one of London’s many museums or on the search for the city’s best flat white. Follow Emily’s journey through The Data School on Twitter!

My experience with PowerBI

This week at The Data School, we're looking at Power BI and Qliksense to learn more about other offerings in the BI market. Some got the short end of the straw it seems, Qlik, based on some of the reviews from the other data schoolers. I wouldn't say that about Power...

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Understanding student dropouts through Sankey Charts

Note to readers: I've been asked to change a couple of visuals here so it might look a bit different from the previous version. I've replicated the method below with a dataset on student results from Harvard's most popular online class - Introduction to Computer...

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2 Things I Learned from the Tableau Fundamentals Class

Today I played teaching assistant to Emma Whyte's Tableau Fundamentals Class with Schroders. Really fantastic to meet not only traders, but marketing, HR and finance teams really keen to utlize Tableau to solve their business questions. A less technical audience to...

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Creating a Dynamic Sales View based on Different Date Types

When I worked in retail, I found 2 views to be pretty important: how are we doing this month compared to this month last year , and how we are "rolling up" for the year (year to date performance). The first view gives us context on how we are performing given...

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Tableau Tip: How to Create a Dynamic Time View

I've created a dynamic time parameter so that the x-axis starts at a different date based on the number of days from today. Any business collecting sales for delivery into the future (any business that involves bookings or shipping) would find this incredibly...

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Review – Data Points by Nathan Yau

I read Data Points by Nathan Yau this weekend - fantastic read. All you really need to know is that I couldn't put the book down. It's so easy to read and he's picked amazing examples to illustrate an "Introduction to Data Visualization". Here are some points which...

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Does Home Court Advantage Exist In the Olympics?

With a dataset of just number of Olympic medals, host country and year, we were asked to visualize something. Or rather anything. My first instinct was ... where's the rest of the data? But since the exercise was to visualize based on what we had, it was a great...

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Fast Viz Friday with the Most Unstable US Real Estate Markets

Friday was a doozy. It's been a week where the team has been building a dashboard a day. While not hard if we were building a series of KPI dashboards, each day we're looking at different data sets and effectively tapping into different levels of creativity. I earned...

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22 Charts with 2 Numbers and Color

Yesterday I built a dashboard with 2 numbers. It's a fantastic mental exercise in testing your understanding on how to build charts, even the nonsensical ones (pie charts anyone?). I was able to build around 22 charts (not bad for 2 numbers!).  Ways in which I...

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Postcards to Jeffery Shaffer

Today we were writing postcards to Jeffery Shaffer as part of Andy and Jeffery's Dear Data Two project. It's inspired by the original Dear Data project where 2 ladies based across the pond from each other track their daily musings and ongoings into weekly...

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Tableau Tip: Importing Custom Colour Palettes

Importing custom color palettes is one simple way to completely transform the dashboard's look and feel. It never ceases to amaze me what a difference formatting makes! I'm currently working on my Dota 2 dashboard so I'll walk through this example. Step 1: Determine...

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Tableau Tip: How to Build a Unit Chart without Shapes

I recently saw this viz and was immediately overtaken with a Tableau "Magic Moment". Here's the image but its a must see because given the ROI of "Magic Moment" to "how the heck do I build this", the return is fantastic! I'm going to walk you through how we can build...

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Tableau Tip: How to Hack Color and Shape Legends

Coach Andy recently showed me how to change up displaying legends with unicode characters. It's super simple and provides a cleaner look on a dashboard. The original one was for a client project so I've built a dashboard expanding on my tip on Monday - how to utilize...

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Tableau Tip: Creating a Stream Graph with Dynamic Dimensions

Stream graphs are wonderful for telling stories because they convey time in a very dynamic way. This famous New York Times piece exemplifies its execution - a measure that persists along a continuous time variable with some degree of interactivity. It's fantastic...

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Tableau Tip: Building KPI Dashboards with Shapes

One of the coolest things to do with dashboards is dynamic shapes for good news/challenges. This is a unique visual cue that I utilized for the Surrey Council Project. I'm going to use the superstore dataset to show you how you can build it too! Plus it's very...

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