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How to build a great data science team

Chris Nerney | Sept. 15, 2014
Enterprises that want to launch big data initiatives -- or even more ambitiously, seek to create an "analytics culture" -- invariably should answer a handful of critical questions before spending money and allocating resources: What's the business case for analytics? Which big data tools should we use? Should we hire a data analytics vendor to handle everything? If we build an in-house team, where do we get the analytics talent?

Lyons goes a step further, saying he is "something of a purist" regarding the technical knowledge of data scientists.

"If you're going to have a successful data science team, you need the necessary data science skills," he says. "By that I mean a solid foundation in something like computer science and modeling statistics, probably a master's or better, a familiarity with procedural languages like Java or C, scripting languages such as Python, and familiarity with Unix and Linux."

Lyons also suggests a functional approach to building your data team, one that is followed by eXelate.

"Every data project has four components," he says. "One is understanding the business need. The second is gathering and massaging and preparing the data. The third is doing the modeling and fourth is operationalizing the outcome.

"We have people here who have a very good business sense who can understand what the business needs and turn it into a plan," Lyons says. "We have people with data management roles who can prepare the data in either an ad hoc or automated fashion. We have people who can do the modeling and do the visualization of that modeling. And we have people who can write the code that turns those things into automated systems that we can put live."

Likewise, Perlich says the Dstillery team also features members with specific strengths that cover all the roles (communicator, statistician, coders) required of an effective data analytics operation.

Both Perlich and Lyons champion diversity on data science teams.

"I try to have as much diversity on my team as possible," Lyons says. "Currently we have someone with a Linux administration background, someone with a computational finance background, someone with a geography background who is one if the best data visualization experts I've ever encountered, someone from actuarial science, someone with data management and someone with agency and training desk experience."

"There are a lot of really curious smart people who have learned data and who come from extremely diverse backgrounds," says Perlich.

Finally, one qualification that many enterprises may be looking for in a data scientist is entirely unnecessary, according to Perlich.

"They don't need to understand the industry you're in," she says. "If they're smart enough to be data scientists, trust me, they can learn about your industry in a month or so. Don't worry about it."

 

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