Hiring a Data Scientist, Building a Data Science Team and Getting Hired as Data Scientist


Two great articles came out about science of Data Science employment.  The article How to hire data scientists and get hired as one, is written by Derrick Harris from gigaom.com. Harris gives six tips:
1. Know the core competencies
2. Know a little more
3. Embrace online learning
4. Learn to tell a story
5. Prepare to be tested (aka “Your pedigree means nothing”)
6. Exercise creativity

The second piece is a blog post from Hortonworks and is titled How to Build a Hadoop Data Science Team.  This post describes how the skill set of a data scientist is a mix between those of a software engineer and a research scientist (see above graphic).


Three Questions That Can Make Data Science “Built to Last”

Data scientists should ask themselves these three questions everyday!

Melinda Thielbar

Big data is here to stay. There are too many opportunities to improve our lives, our businesses, and our selves using technology that is declining in cost and rising in value–at least for those who are able to harness it. From individualized medicine, to the Internet of Things, we are generating data with our every breath, and if it’s used in the best way, we are on the brink of a technology revolution that will overshadow the industrial revolution.

The question, then, is: What is the best way?

There’s been a lot of backlash against big data, which Ray Rivera discusses brilliantly in his SAP/Forbes article “Why Big Data is Getting the Bully Treatment.” Like all big changes, the move to data-driven decisions in our offices, in our schools, and in our lives, is frightening. There are hazards (both moral and technical). There’s the problem of what…

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This is great checklist of topics to become proficient in for all aspiring Data Scientists. This list of skills can reasonably be attained within a master’s degree program in Statistics, Computer Science or Operations Research.

Ryan Swanstrom

A while back James Kobielus wrote the article, Data Scientist: Consider the Curriculum. It contains one of the best descriptions of a data science curriculum I have seen.  Also the article includes a list of algorithms/modeling techniques that should be known by a data scientist. Below is the list from the article.

  • linear algebra
  • basic statistics
  • linear and logistic regression
  • data mining
  • predictive modeling
  • cluster analysis
  • association rules
  • market basket analysis
  • decision trees
  • time-series analysis
  • forecasting
  • machine learning
  • Bayesian and Monte Carlo Statistics
  • matrix operations
  • sampling
  • text analytics
  • summarization
  • classification
  • primary components analysis
  • experimental design
  • unsupervised learning
  • constrained optimization

The list almost looks overwhelming.
Do you think anything is missing from the list?

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Big Data at Facebook

Facebook has long been a leading force in the development of big data. The recent release of Graph Search is seen as a move by the company to flex their big data muscles and put their engineering bona fides to the test.

A couple of good articles came out this week discussing the engineering challenges Facebook is taking on with this project. Zach Miners, at IT World, explains the work the new tool does searching large graphs with this article. Harpreet, at Tools Journal, wrote a good piece explaining how  Natural Language Processing is used by Graph Search.

One last article I would like to highlight is a glossary of big data at Facebook that was put out by Wade Roush at Xconomy