Neil Li

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Dashboard Week 5 – Iowa Liquor Sales

The Challenge Finally, the last day! Today’s challenge is simple. We got one Iowa liquor sales dataset and another Iowa population dataset. And there was...

Dashboard Week 4 – My Solar Power System

The Challenge We are almost there! The day 4 challenge is quite interesting. We got a bunch of datasets for solar systems, which varies from...

Dashboard Week 3 – Sample Superstore

The Challenge The challenge of today is quite different from the previous ones. Today is the design challenge. Design is never my strength, but I...

Dashboard Week 2 – London Energy Consumption

The Challenge Now we are on Day 2, the challenge of today is to create a dashboard using Smart Meters in London dataset. The whole...

Dashboard Week 1 – Let’s Go Boating!

The Challenge Day 1’s challenge is to download data using NSW Transport Open Data API and build a dashboard.   The Data I decided to...

Understanding Tableau’s Order of Operations

When we see some new tricks in Tableau, most of the time, the first question pop out of our mind is: how can I do...

A Quick Guide of How to Choose the Right Calculation: Table Calc or LOD?

Sometimes, choosing the right type of calculation for a given problem can be challenging in Tableau. In fact, there is a simple and quick way...

Tableau Tips: How to Make a Curved Line Chart

Why curved line Let’s look at a picture, which one do you prefer? I guess you will more likely pick the left one. In fact,...

What makes Alteryx so magical in data analysis?

In many cases, data integration/preparation is the most painful and time-consuming step in a data analysis process. The most commonly used tools, such as Excel,...