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MDS in a Box – An Open Source Modern Data Stack in Dorian’s Way

Discover how to set up a complete Modern Data Stack (MDS) using open-source tools in Dorian’s Way.

Learn about data extraction, storage, modeling, and scheduling on a single, secure machine, and achieve tangible results in hours without the high costs of cloud-based solutions.

More about: Data Platforms

Mobilize Your Data: Creating Mobile-Friendly Dashboards in Tableau

This week, at the Tableau Conference 2024, I had the privilege of sharing insights about the dynamic world of mobile dashboards (twice). For those who couldn’t make it fear not! I’ve compiled the essence of the session into this blog post, including a recording of the presentation itself. In the session titled “Mobilize Your Data,” […]

More about: Analytics, Business Dashboards, Data Visualization, Tableau

Migrating from Tableau to PowerBI? Here’s what you might need to consider

Embarking on a migration from Tableau to PowerBI? Brace yourself for a transformative journey. This guide unveils crucial considerations, from the platform dynamics within the Microsoft ecosystem to the intricacies of DAX measures and columns. Delve into the challenges of visual limitations, discover workarounds, and understand the nuances of interactivity. Whether it’s the affordability of PowerBI or the crisper visualizations it offers, this guide equips you with the insights needed to navigate the landscape. Whether you’re a seasoned Tableau user or exploring data visualization for the first time, this guide ensures you’re well-prepared for a successful transition.

More about: Data Platforms

Refreshing Real-Time Data in Tableau: Adding a Dashboard Button for Dynamic Data Updates

Real-Time Data Refresh Tableau

Learn how to refresh real-time data in Tableau and add a custom dashboard button for dynamic updates in this post. Discover the benefits of refreshing data, how Tableau’s caching mechanism works, and how to create a mock chart button and add actions to the dashboard to update the data on demand. Improving the accuracy of your data, increasing efficiency, and enhancing the user experience are just a few of the advantages that come with refreshing your data in real-time.

More about: Tableau

Use case examples for Pandas profiling in real-world data analysis projects

Pandas Profiling

Pandas is an open-source data manipulation and analysis library for Python. It provides a wide range of tools and functions for handling and processing data, making it an essential tool for any data analyst, scientist, or engineer. Pandas provides a fast and efficient way to work with structured data, including reading from and writing to […]

More about: Analytics, Data Visualization

How I built my own Stock Watchlist Dashboard in Tableau via Google Sheets

Tableau Stock Watchlist

Are you into investing? Or maybe curious about how a part of the stock market is doing? An interactive stock dashboard might be the ideal project for you. Tableau is a data visualization software that allows you to make interactive charts, graphs, and dashboards using data from all kinds of sources.It allows you to mix, […]

More about: Business Dashboards, Tableau

An Inventory Dashboard in Tableau inspired by … pizza

Tableau Inventory Dashboard Examples

I’ve been playing with AIs lately to generate images of dashboards. I know, fun. Right? While I don’t think that these tools will take over our jobs like I scared my friend Ludovic here, I do believe they are spectacular in a way that they can help with inspiration. Business dashboards are sometimes dull, and […]

More about: Business Dashboards, Tableau

Call Center Dashboard in Tableau

Call Center Dashboard

I love dashboards! I love looking at them, I love using them, and I love building them. There’s something special about looking at visually represented numbers. If I would have to pick one thing to do every day that brings me joy, building dashboards would be at the very top. But I take it as […]

More about: eCommerce Platforms

What to do when you get stuck in Tableau!?

Stuck in Tableau?

As a person who uses Tableau 95% of the time, I have to say it: I get stuck. A lot!
And I’m not ashamed of it.

I believe it’s normal to run into problems when you’re trying to improve.

Here are some thoughts that I hope will help you as well as myself in troubled times.

More about: eCommerce Platforms

Financial Analytics in Tableau: Viz Finance with Dorian

Stock Market Treemap in Tableau

I am proud to announce the launch of Financial DataViz, a collection of data visualizations targeted towards the finance industry, created by Dorian Banutoiu. This project is an effort to delve deeper into the topic of finance and bring forth valuable insights through data visualization. To achieve this goal, I will be exploring various topics, […]

More about: eCommerce Platforms

Tableau Case Study: Chaoly unleashes Chinese Social & eCommerce Analytics

A look behind the scenes at how we helped Chaoly use Tableau to bring data to life.

Juicy details about goals, challenges, and factors that have contributed to success.

We share the full list of dashboards that reached the clients’ screens.

More about: Case studies, Tableau

Dealing with common Scatter Plot issues in Tableau

I have the bad habit of revisiting things I’ve built with a critical eye. What I love about Tableau Public is that we can let visualizations fly and observe how people react to them. The key thing for me is perspective. The ability to not take feedback personally is essential! I believe we should try […]

More about: Data Visualization, Tableau

Filter ranges in Tableau with Parameter Action Intervals

Parameter Interval Filter

Say what? What I am trying to achieve is quite simple: offer the ability to filter a range using parameters, make it easy to use and give it a clean look. Before parameter actions (pre Tableau 2019.2) we would do something along the lines of: The obvious problem with this approach is that the start […]

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Customer Demographics: Using Data Visualization for Business Understanding [Visual Analysis Series]

Tableau Customer Demographics

“Know your customer!” This might be the most common business advice out there. We read about it on blogs, social media, we see it in presentations, we hear it from experts. I’m not too fond of this advice. It makes me cringe when I hear it. Mainly because it leads to ambiguous questions like “how?” […]

More about: Case studies, Data Visualization, Tableau, Visual Analysis Series

Evolution and Variation with “line & slope” charts in Tableau

Love line charts? Love slope charts? Why not put them together? In this article, I am going to show you why this is not always a good idea and some good use cases of how they could work well. People think computers will keep them from making mistakes. They’re wrong. With computers you make mistakes […]

More about: Analytics, Data Visualization, Tableau

9+ reasons on why Tableau is extraordinary

Tableau

The first time I had the chance to test the tool, I didn’t see it. Fast forward to the present, and I am using Tableau every day. I can’t imagine life without it!

I decided to expand on the reasons I believe this software is extraordinary. I hope this article will help some of you avoid making the same mistake I did.

More about: Analytics, Data Visualization, Tableau

Parameter Actions and Toggle Containers – New levels of interactivity in Tableau 2019.2

Parameter Action Toggle Containers

Tableau is making progress towards better interactivity.

After the introduction of Set Actions in 2018, they are taking it up a notch with Parameter Actions and with the ability to show/hide dashboard containers (toggle).

In this article, we are showing how these work and we share some ideas on how you can make use of them.

More about: Data Visualization, Tableau

Visual Analysis Series: SEO Growth or Business Decline? eCommerce Edition

Data visualization is a powerful tool in the hands of those who try to answer the right question. For some it might be pretty pictures, others might build charts for the sake of it. For us, it’s something that should move minds in the right direction. We decided to show how we use data visualization […]

More about: Analytics, Data Visualization, Visual Analysis Series

Why I love MakeoverMonday

makeover monday

I wrote this on my phone one night after my 4th makeover. I didn’t work up the courage to publish it at the time, but I am going to do it now (~9 months later). For those who don’t know me, my name is Dorian, and I discovered MakeoverMonday about 10 months ago. I got […]

More about: Data Visualization

Cohort Analysis: How to Study Cohorts for Actionable Insights

Cohort Analysis

Why are cohorts useful from a business perspective?

How to perform a cohort analysis in a meaningful way?

What types of data visualization work well?

How to gain cutting-edge insights from studying user behavior?

More about: Analytics, Data Visualization

Interactive Highlight Tables/Heatmaps with Tableau Set Actions & Transparent Sheets

Interactive Impact Plot

In this article, I am going to pick apart and try to improve on a prevalent chart type used to analyze cohort retention: the impact plot (also called triangle chart). It is basically a highlight table, or a heat map with the numbers displayed. Here are a couple of examples: This graph type that is […]

More about: Data Visualization

Connected Cycle Plots in Tableau with Set Actions

Connected Cycle Plot

Cycle plots offer a lot of insight and are easy to build in Tableau.

With the approach from this article, we are trying to include one more.

By connecting the dots of a specific time point, we can follow the overall evolution across cycles.

More about: Data Visualization

Improved Stacked Bar Charts with Tableau Set Actions

Stacked bar charts are difficult to interpret more often than not.

One thing we can do is to use percentages instead of the actual values. Comparing the top and bottom segments becomes easier, but we lose track of the totals, and we still have difficulties with the middle parts.

To focus on one category at a time while keeping the others in sight, I implemented an interactive component to move the part of the bars we’re interested in at the bottom.

More about: Data Visualization

StreamGraphs in Tableau via R

Tableau StreamGraphs

Also called theme rivers and in some cases steam graphs. It all started with this viz by Alex Jones: From the moment I saw it, I knew I wanted to create one by myself. Fortunately, Alex offered some insights on how he did it, but he didn’t give up the whole thing. Reverse engineering is […]

More about: Data Visualization

Tableau: a dot plot and a “stacked” bar chart in the same view

… or concurrent lollipops and dumbbells chart. For this week’s MakeoverMonday we looked at women representation in the House of Representatives (no pun intended). I came up with a population pyramid style chart. I put Democrats versus Republicans, where we would typically have men and women diverging to the left and right. So here’s the […]

More about: Data Visualization

Zooming-in and sliding on a time-series in Tableau

Zoom & Slide Tableau

… all while keeping the overall trend in the view. To put it simply, this is what we want to achieve: The chart shows the average price of an avocado in the US by week (data source). The line at the top shows the same data as below, only “zoomed” to a predefined period. I […]

More about: Data Visualization

Beeswarm Chart in Tableau … via R

Beeswarm chart Tableau

In this article, I want to show you how I built a beeswarm chart in Tableau (with a little help from R):
1. Design process
2. Data workflow between R and Tableau
3. Using only R to create the chart
4. How it can be done 100% in Tableau using Table Calculations

Enjoy!

More about: Data Visualization

Tableau Dashboard Performance Optimization [Case Study]

Tableau Performance

An exciting step-by-step case study of a Tableau dashboard optimization.

Technical details of improving the loading and interacting speed and a sneak peek of the new improved version we’re working on.

Getting from question to answer at the speed of light!

More about: Case studies, Data Visualization

We tested 1 Million Websites to see how Mobile-Friendly they are [Original Study]

Mobile Friendly Original Study

Everyone is talking about the mobile-first world. The web as we know it is turning upside down.

All because people are spending a lot more time on their mobile phones.

We rolled up our sleeves and did a study. We analyzed the top 1 million websites in the world to see with our own eyes how mobile-friendly they really are.

More about: Case studies, SEO Analysis

Tableau & Google Analytics – Integrate, Expand, Create

Google Analytics Tableau

Love Google Analytics? Love Tableau? Why not bring them together? Us & Tableau We are working with Google Analytics every single day. Sometimes I get the feeling we’re investing too much time into it. When I re-discovered Tableau, I felt it brought a whole new perspective to our analytics approach. The first times I tried […]

More about: Analytics, Data Visualization

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