Data scientists are considered to have the hottest job right now, but a new study suggests they’re little more than “digital janitors” who spend most of their time cleaning data to prepare it for analysis.

That’s according to CrowdFlower, a crowdsourcing company, which surveyed 80 data scientists with varying levels of experience.

While an advanced degree is usually required for the position, a full 60 percent of respondents said they spend most of their time cleaning and organizing data, leaving little for analytical tasks like building training sets and refining algorithms.

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