What makes an effective team?

Google has always been a data-driven company, not only for its businesses but also for nearly every aspect of its employees’ professional lives.

A few years ago, the project Aristotle was started to assess what it takes to build the perfect team. A dedicated work group of researchers measured many Google’s teams effectiveness using a combination of different qualitative evaluations and quantitative metrics, with the goal of finding the comprehensive definition of team effectiveness.

You can read the story in this New York Times article, here are the results of the project.

A quick summary

The researchers found soon that what really mattered was NOT WHO is on the team, BUT HOW the team worked together. Which makes sense: teams are highly interdependent – team members need one another to get work done.

Continue reading “What makes an effective team?”

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Recover audio using linear regression

In this example, we will use linear regression to recover or ‘fill out’ a completely deleted portion of an audio file!
For this, we use the FSDD, Free-Spoken-Digits-Dataset, an audio dataset put together by Zohar Jackson:

cleaned up audio (no dead-space, roughly same length, same bitrate, same samples-per-second rate, same speaker, etc) samples ready for machine learning.

You can follow along with the associated notebook in GitHub. Continue reading “Recover audio using linear regression”