The Data School Blog

Dashboard Week Day 5 – Ioha Liquor Sales

Dashboard Week Day 5 – Ioha Liquor Sales

It is the final day of dashboard week, and I am still alive! The good news is that the final challenge was my favorite.  The bad news is that unlike the other days we only had a few hours to work on our dashboard before presenting at 3pm. So, lets jump into it right...

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Build candlestick chart in Tableau I: fixed interval

Build candlestick chart in Tableau I: fixed interval

Previously, I introduced in my blog how to download stock market data from the Yahoo Finance API. This time I want to use the download data to build a candlestick chart in Tableau. I will use the SPY ETF data I downloaded in the previous blog to build the chart. In...

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A Recap On How I Survived Dashboard Week

A Recap On How I Survived Dashboard Week

Introduction I am proud to say I survived Dashboard Week. It was hard but very rewarding. I want to share my experience and hope that this will be helpful to future cohorts that will do the same in the future. Strict Timeboxing On this activity, we have limited time...

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How to Make a Simple Waterfall Chart

How to Make a Simple Waterfall Chart

This is a tutorial inspired by Andy Kriebel and Ryan Sleeper. You can learn how to make an interactive waterfall chart with parameters that you can apply to almost any dataset you want to use. I will use the 'Sample - Superstore' dataset that you comes with the...

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Dashboard Week | Day 4 | Solar Energy Challenge

Dashboard Week | Day 4 | Solar Energy Challenge

Being a multi-passionate professional, one of the other fields (besides data) that I am passionate about are social and environmental causes. Hence, why I found the day 4 dataset very interesting. Day 4 datasets were all about solar energy generation. We were given 2...

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Sankey Diagram Made Easy

Sankey Diagram Made Easy

Introduction For me, Sankey diagram is one of the most time-consuming viz to build. There are a lot of steps and many complex table calculations involved. So, for beginner or even intermediate Tableau users, the Sankey chart seems to be a very difficult challenge. For...

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Who Wants a Stiff Drink? ‒ Dashboard Week | Day 5

Who Wants a Stiff Drink? ‒ Dashboard Week | Day 5

Phew, last day? Last challenge?! Wow – we’ve (nearly) made it! And it’s certainly been an intense week with some very tight deadlines in which to manage a lot of data wrangling and creative building in Tableau, but I’ve certainly learnt some new tricks! First up...

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