Dana Voroshchuk

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How to make the 80/20 Pareto Chart in Tableau

Let’s start with a little history lesson. The Pareto Chart is named after Vilfredo Pareto – an Italian civil engineer, sociologist, economist, political scientist, and...

Dashboard Week | Day 5 | OECD

And it’s finally the last day of the Dashboard Week, in which every day we had the task to create one dashboard.    Today we...

Dashboard Week | Day 4 | Victoria Roads Accidents

It’s the fourth day of Dashboard Week and today our coaches decided to show some mercy on us. They gave us data that was already...

Dashboard Week | Day 3 | APIs

We are halfway through our dashboard week. Every day is a new challenge and today’s is getting data through APIs.    The Challenge  For those...

Dashboard Week | Day 2 | Who is the strongest fighter?

It’s the second day of the dashboard week here at the Data School Down Under, and 3 more days to go. Today we were challenged...

Dashboard Week | Day 1 | American Housing Survey 

It’s week 14 for our cohort at the Data School Down Under, and only 3 weeks to go to finish our training. This week is...

Importance of understanding data types (Part II – Numeric/Quantitative Data Types)

As mentioned in my previous post, data types is a very important concept. You have to analyze numeric data differently than categorical; otherwise, it will...

Importance of understanding data types (Part I – Categorical/ Qualitative Data Types)

When you start working with data, you might be tempted to begin creating beautiful Tableau dashboards and Alteryx workflows, without properly looking at the data...

Can you speak data? 

In my first post, I explained my background and how I switched my career into data analytics. But before diving into it and becoming more...

How I became a Data Analyst from being a Receptionist

Today is the first day of my new career in Data Analytics and I find it worthwhile starting my blog by describing my journey into...