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Karolis Urbonas's Blog (5)

How to Lie with Data

We expect that data scientists and analysts should be objective and base their conclusions on data. Now while the name of the job implies that “data” is the fundamental material that is used to do their jobs, it is not impossible to lie with it. Quite the opposite – the data scientist is affected by unconscious biases, peer pressure, urgency, and if that’s not enough – there are inherent risks in the process of data analysis and interpretation that lead to lying. It happens all the time…

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Added by Karolis Urbonas on April 17, 2017 at 10:30am — 3 Comments

Top mistakes data scientists make

The rise of the data scientists continues and the social media is filled with success stories – but what about those who fail? There are no cover articles praising the fails of the many data scientists that don’t live up to the hype and don’t meet the needs of their stakeholders.

The job of the data scientist is solving problems. And some data scientists can’t solve them. They either don’t know how to, or are obsessed about the technology part of the craft and forget what the job is…

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Added by Karolis Urbonas on April 3, 2017 at 11:30pm — 1 Comment

How to stay out of analytic rabbit holes: avoiding investigation loops and their traps

What if we add these variables?..” is a deadly type of a question that can ruin your analytic project. Now, while curiosity is the best friend of a data scientist, there’s a curse that comes with it – some call it analysis paralysis, others – just over-analysis, but I call these situations “analytic rabbit holes”. As you start any data science project – be it an in-depth statistical research, machine learning model, or a simple business analysis – there…

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Added by Karolis Urbonas on March 28, 2017 at 2:30am — No Comments

What makes a great data scientist?

A data scientist is an umbrella term that describes people whose main responsibility is leveraging data to help other people (or machines) making more informed decisions. The spectrum of data scientist roles is so broad that I will keep this discussion for my next post. What I really want to focus is on what are the distinctive characteristics of a great data scientist.

Over the years that I have worked with data and analytics I have found that this has almost nothing to do with…

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Added by Karolis Urbonas on March 20, 2017 at 12:00am — No Comments

How to think like a data scientist to become one

We have all read the punchlines – data scientist is the sexiest job, there’s not enough of them and the salaries are very high. The role has been sold so well that the number of data science courses and college programs are growing like crazy. After my previous blog post I have received questions from people asking how to become a data scientist – which courses are the best, what steps to take, what is the fastest way to land a data science job?

I tried to really think it…

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Added by Karolis Urbonas on March 13, 2017 at 1:00am — 1 Comment

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