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VisiData in 60 Seconds
Download faa-wildlife-strikes.csv , a dataset of all aircraft-wildlife collisions reported to the Federal Aviation Administration between 2010 and mid-2016.
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ArangoDB 3.7 – a big step forward for multi-model
The only enterprise AI data platform that cuts complexity, reduces costs, and gets you to production faster.
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How to Think about Correlation?
I am an economist at the Federal Trade Commission with a very basic statistics question, one that I have put to several fairly high-powered econometricians, and to which no one has had a satisfying answer.
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Elastic 7.9
Elastic 7.9 (Elastic Stack: Elasticsearch, Kibana, Logstash, Beats) delivers new capabilities to market. Get started with a new free tier of Workplace Search, part of Elastic Enterprise Security, and ...
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What can 6,000 electric vehicles tell us about EV battery health?
Analysis of electric vehicle battery health of 22K+ EVs reveals a 2.3% average battery degradation rate. High-power DC fast charging is the top risk factor.
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ScaNN: Efficient Vector Similarity Search
Posted by Philip Sun, Software Engineer, Google Research Suppose one wants to search through a large dataset of literary works using queries that r...
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Three Types of Data
In my work I’ve developed a mental framework related to data modeling, which has helped greatly both when coming up with a model and when making decisions down the road about how to use that model. Here I will establish three different categories of data in software: Constants, State, and Cached Values. By “data” I…
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Holes in Bayesian Statistics
Every philosophy has holes, and it is the responsibility of proponents of a philosophy to point out these problems. Here are a few holes in Bayesian data analysis: (1) the usual rules of conditional probability fail in the quantum realm, (2) flat or weak priors lead to terrible inferences about things we care about…
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A synthetic control causal analysis of Musk's tweet on Tesla stock price
a terse analysis of tesla stock prices and how one of elon’s tweets moves them
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Implementing join planning in our open source Golang SQL query engine
Blog for DoltHub, a website hosting databases made with Dolt, an open-source version-controlled SQL database with Git-like semantics.
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How Netflix uses Druid for realtime insights
By Ben Sykes
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The Economics of Building Knowledge Bases
During the summers of my high school years in suburban Georgia, my friend and I would fill the time by randomly walking into local establishments asking for odd jobs. It was a great way as a studen…
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Understanding Raft Consensus
Recently I was digging deeper into Raft , an important algorithm in the field of distributed systems. Raft is a consensus algorithm , meaning that it is designed to facilitate a set of computers agreeing on a state of the world (more on exactly how the state of the world is represented later), even when communications…
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Database Version Control with Liquibase
Introduction to managing DB shcema changes with Liquibase
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The Consortium for Python Data API Standards
An initiative to develop API standards for n-dimensional arrays and dataframes
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DBLog: A Change-Data-Capture Framework
Andreas Andreakis, Ioannis Papapanagiotou
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Common Problems in Financial Services Reconciliation
Common problems in financial recon, for fintechs, particularly those building deposit products and managing their own ledger.
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Analysis of all YouTube trending videos in US for 2019
This analysis was featured on: The Hustle newsletter (lead story), TechCrunch, Hacker News, The Growth Newsletter (issue #021), Social Blade, Data Science...
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Nested Transactions in CockroachDB 20.1
What do nested transactions look like in an ACID environment? We explore the journey of a nested SQL transaction in CockroachDB in this post.
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Scaling Datastores at Slack with Vitess
From the very beginning of Slack, MySQL was used as the storage engine for all our data. Slack operated MySQL servers in an active-active configuration. This is the story of how we changed our data storage architecture from the active-active clusters over to Vitess — a horizontal scaling system for MySQL. Vitess is…
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Peppering (Password Storage)
Website with the collection of all the cheat sheets of the project.
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Amazon S3 Update – Strong Read-After-Write Consistency
When we launched S3 back in 2006, I discussed its virtually unlimited capacity (“…easily store any number of blocks…”), the fact that it was designed to provide 99.99% availability, and that it offered durable storage, with data transparently stored in multiple locations. Since that launch, our customers have used S3…
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Demonstrations and Political Violence in America: New Data for Summer 2020
The report covers 2020 trends in political violence and demonstrations in the US, focusing on the BLM movement.
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US Federal Agricultural Farm Subsidies: How Much Farmers Get By Year
Federal farm subsidies make up an average of 13.5% of net farm income.
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Sizing Up Twitter Users
Twitter users are younger, more likely to identify as Democrats, more highly educated and have higher incomes than U.S. adults overall.
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Target didn’t figure out a teen girl was pregnant before her father did
And that one article that said they did was silly and bad