Data Elixir - Data Elixir - Issue 354
ISSUE 354 · September 21, 2021Insight2021 Data/AI Salary SurveyO'Reilly's latest salary report explores survey responses from over 3000 data professionals about pay, job stability, industries served, and career development. Includes insights about salary trends and key factors, such as education, certifications, specific skills, and lots more. Participatory data stewardshipThese days, data breaches, scandals, and high-profile mis-uses of personal data seem rampant and ultimately undermine people's trust in data-powered initiatives. In this new report, the Ada Lovelace Institute proposes a framework that would help re-establish trust and empower people to help inform, shape and even govern their own data. Sponsored LinkData + Sales: Bring product metrics to the sales teamSales leaders need accurate data to meet their quarterly targets. Use this guide to learn how to weave product metrics into Salesforce with Mode so they can accelerate the sales cycle. Download guide. Tutorials, Projects & OpinionsHow percentile approximation works (and why it's more useful than averages)Nice primer on percentile approximations. This post breaks down how percentiles are different than averages and shows the dangers of using averages for large time-series datasets. Includes a discussion of how percentiles work in PostgreSQL, the problems with that approach, and how percentile approximation is supported in TimescaleDB. Erik Bernhardsson - Former CTO @ Better.comThere's an awesome interview series on Eugene Yan's new site, ApplyingML, that focus on practical insights from the trenches. This interview with Erik Bernhardsson is a good one to start with. It's a great read with insights about ML system development, building teams, and Erik's career path in data. Follow the "Mentors" link at the top for more. Exploring 120 years of timezonesTimezones are a pain and that's especially true for anyone who works dates in their data. This post explores why timezones are so complex and how, over 120 years, 284 timezones evolved to what we have today. Sourcing Training Data with Mechanical TurkSourcing training data using Mechanical Turk isn't new, but the process described here is a clever approach that uses gamification and different types of tasks to create a more effective data collection pipeline. Ace your next data science interviewGet better at data science interviews and sharpen your skills by solving a few questions per week. Join thousands of other data scientists and analysts practicing for interviews! Subscribe to our newsletter. Code & ToolsAwesome Data LabelingGreat collection of open-source labeling tools covering a variety of data types, including text, images, audio, time-series, and video. Business Intelligence for Modern Data TeamsMost BI tools use a drag and drop interface, which works for non-technical users but more and more, analysts want tools that enable common engineering practices, such as version control, testing, and abstraction. Evidence is a new open-source tool that uses SQL and Markdown to do all that and more. Data VisualizationHorizon Plots for ggplot2Horizon plots are compact versions of line charts that are particularly useful for comparing time series data across different groups. This is a great post that shows how horizon plots work and introduces a new package that makes them easy to create with ggplot2. Includes lots of code snippets and screenshots along the way. To find specific content from prior issues or to research topics, check out the catalogued Archives on Data Elixir's Search Page >> |
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Data Elixir - Issue 353
Tuesday, September 14, 2021
Full stack DS. The Great Resignation. The Puzzle Of ⚽ Analytics. Media mix modeling. Streaming data ML. What's an OLAP cube?
Data Elixir - Issue 352
Tuesday, September 7, 2021
Clever matrices. Best practices for recommenders. Software design for data scientists. Gentle intro to GNNs. Decision Making at Netflix.
Latest Issue
Sunday, September 5, 2021
Latest Issue Data Elixir logo September 5, 2021 Hey, it's Lon at Data Elixir. Thanks for signing up for the newsletter. If you work with data, I think you're going to love this. Data Elixir
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