Tableau Certification Worth It?

By now, you’re probably aware that Tableau is revolutionizing the data visualization space. We’ve explored its functionalities a couple of times already, and we’ve found it to be conveniently accessible, simple to use, handy when it comes to collaboration, and relatively cheap to deploy enterprise-wide. So, of course, it’s no surprise that large and medium…

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9 Ways to Learn Data Science from Scratch

“Statistics is now the sexiest job around,” said Dr. Hans Rosling, a renowned professor, through a BBC documentary that featured him back in 2011. Then shortly after, Nathaniel Silver, a famous American statistician, paraphrased it and stated that data science is simply a sexy name for statistics. A year later, in 2012, Harvard Business Review…

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Why You Should Fear Facebook’s Data Warehouse

“They “trust me”…dumb f**ks.” Excuse me for the expletive. And sorry to break it to you, but that’s pretty much how Mark Zuckerberg described his 4,000 users back in 2004 when Facebook had barely started. He was only answering his friend, who had asked how he’d been able to collect personal data. Ok, we could…

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Top 5 Data Skills You Need to Learn in 2019

Think about it. We have 26 letters in the alphabet and 10 basic numerical digits. Yet, somehow it all combines to generate more than 2.5 quintillion bytes of data on a daily basis. That, in essence, is a million multiplied by itself five times. And you know what? This rate has not been growing progressively…

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Framing Your Data Correctly

When presenting information how you frame it matters. To illustrate this point we’re going to compare how FiveThirtyEight, one of the best data news sources, changed their framing between the US Presidential election in 2016 versus the US Mid-Term election in 2018. Using Percentages First, let’s see how they framed the race for president between…

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How to Find and Remove Duplicates in Excel

In working with data from any source, you need to make sure you don’t have duplicate values. In many systems, this can be particularly cumbersome. In my favorite manual data processing tool, Excel, there are a few ways to simplify this process. I’ve used this technique to remove duplicates from Excel for years for its…

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How Data Conquered Tech

  Background As the saying goes, “if sales are the air a company breathes, then data is the blood running through its veins.” At least that’s how I remember the saying. That’s because, for decades in business or organizations, data has been the underlying force that makes all of it possible. It’s basic because without…

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What Data Pros Can Learn from Mr. Rogers

It was 1969. The US was in the middle of the Vietnam war. Money was tight and the United States Senate Subcommittee on Communications was holding hearings to determine the “value” of public broadcasting. The main decider (Senator Pastore) had been hearing testimony after testimony and was bored of the same tired arguments. By the…

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When to Tell Your Boss No

I played the role of “boss” for many years in my career, and I never liked hearing the word no from my team. There are, however, a few occasions where I found it not only acceptable but necessary. Let me explain – Being in a position where you’re responsible for another person triggers a primal…

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