August, 2019

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Types of Bias in Machine Learning

KDnuggets

The sample data used for training has to be as close a representation of the real scenario as possible. There are many factors that can bias a sample from the beginning and those reasons differ from each domain (i.e. business, security, medical, education etc.).

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Using Graph Processing for Kafka Stream Visualizations

Confluent

We know that Apache Kafka ® is great when you’re dealing with streams, allowing you to conveniently look at streams as tables. Stream processing engines like KSQL furthermore give you the ability to manipulate all of this fluently. But what about when the relationships between items dominate your application? For example, in a social network, understanding the network means we need to look at the friend relationships between people.

Kafka 55
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Building the New Uber Freight App as Lists of Modular, Reusable Components

Uber Engineering

As Uber Freight marked its second anniversary, we went back to the drawing board to redesign its app. The original carrier app was successful for owner-operators with one or two drivers, but it wasn’t optimized for larger fleets—feedback we … The post Building the New Uber Freight App as Lists of Modular, Reusable Components appeared first on Uber Engineering Blog.

Building 110
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Building Tools And Platforms For Data Analytics

Data Engineering Podcast

Summary Data engineers are responsible for building tools and platforms to power the workflows of other members of the business. Each group of users has their own set of requirements for the way that they access and interact with those platforms depending on the insights they are trying to gather. Benn Stancil is the chief analyst at Mode Analytics and in this episode he explains the set of considerations and requirements that data analysts need in their tools and.

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Apache Airflow® Best Practices for ETL and ELT Pipelines

Whether you’re creating complex dashboards or fine-tuning large language models, your data must be extracted, transformed, and loaded. ETL and ELT pipelines form the foundation of any data product, and Airflow is the open-source data orchestrator specifically designed for moving and transforming data in ETL and ELT pipelines. This eBook covers: An overview of ETL vs.

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Applying Netflix DevOps Patterns to Windows

Netflix Tech

Baking Windows with Packer By Justin Phelps and Manuel Correa Customizing Windows images at Netflix was a manual, error-prone, and time consuming process. In this blog post, we describe how we improved the methodology, which technologies we leveraged, and how this has improved service deployment and consistency. Artisan Crafted Images In the Netflix full cycle DevOps culture the team responsible for building a service is also responsible for deploying, testing, infrastructure, and operation of t

AWS 84
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Is Self-Service Analytics Sustainable?

Teradata

Self-service analytics are increasingly being implemented by organizations that want to promote a data-driven culture. But how sustainable is it? Read more.

IT 16

More Trending

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Announcing Tutorials for Apache Kafka

Confluent

We’re excited to announce Tutorials for Apache Kafka ® , a new area of our website for learning event streaming. Kafka Tutorials is a collection of common event streaming use cases, with each tutorial featuring an example scenario and several complete code solutions. It’s the fastest way to learn how to use Kafka with confidence. We’re building this because we know that event streaming is a radically different way of thinking.

Kafka 22
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Less is More: Engineering Data Warehouse Efficiency with Minimalist Design

Uber Engineering

Maintaining Uber’s large-scale data warehouse comes with an operational cost in terms of ETL functions and storage. In our experience, optimizing for operational efficiency requires answering one key question: for which tables does the maintenance cost supersede utility? Once identified, … The post Less is More: Engineering Data Warehouse Efficiency with Minimalist Design appeared first on Uber Engineering Blog.

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A High Performance Platform For The Full Big Data Lifecycle

Data Engineering Podcast

Summary Managing big data projects at scale is a perennial problem, with a wide variety of solutions that have evolved over the past 20 years. One of the early entrants that predates Hadoop and has since been open sourced is the HPCC (High Performance Computing Cluster) system. Designed as a fully integrated platform to meet the needs of enterprise grade analytics it provides a solution for the full lifecycle of data at massive scale.

Big Data 100
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How We Reduced DynamoDB Costs by Using DynamoDB Streams and Scans More Efficiently

Rockset

Many of our users implement operational reporting and analytics on DynamoDB using Rockset as a SQL intelligence layer to serve live dashboards and applications. As an engineering team, we are constantly searching for opportunities to improve their SQL-on-DynamoDB experience. For the past few weeks, we have been hard at work tuning the performance of our DynamoDB ingestion process.

Bytes 52
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Apache Airflow®: The Ultimate Guide to DAG Writing

Speaker: Tamara Fingerlin, Developer Advocate

In this new webinar, Tamara Fingerlin, Developer Advocate, will walk you through many Airflow best practices and advanced features that can help you make your pipelines more manageable, adaptive, and robust. She'll focus on how to write best-in-class Airflow DAGs using the latest Airflow features like dynamic task mapping and data-driven scheduling!

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Teradata Earns Spot (Again x2!) on Constellation ShortList for Hybrid Cloud

Teradata

Teradata is named yet again to the Constellation ShortList™ for “Hybrid and Multi-Cloud Relational Database Management Systems." Read more!

Cloud 15
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R Users’ Salaries from the 2019 Stackoverflow Survey

KDnuggets

Let’s take a look on what R users are saying about their salaries. Note that the following results could be biased because of unrepresentative and in some cases small samples.

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Building Transactional Systems Using Apache Kafka

Confluent

Traditional relational database systems are ubiquitous in software systems. They are surrounded by a strong ecosystem of tools, such as object-relational mappers and schema migration helpers. Relational databases also provide strong guarantees in the form of ACID transactions, which are loved by developers for their all-or-nothing semantics. Today’s businesses, however, want to process ever-increasing amounts of data.

Kafka 22
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Migrating Functionality Between Large-scale Production Systems Seamlessly

Uber Engineering

A common axiom among Uber engineers states that building new features is like fixing a car’s engine while driving it. As we scaled up to our present level of support for 14 million trips per day, the car in that … The post Migrating Functionality Between Large-scale Production Systems Seamlessly appeared first on Uber Engineering Blog.

Systems 77
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Optimizing The Modern Developer Experience with Coder

Many software teams have migrated their testing and production workloads to the cloud, yet development environments often remain tied to outdated local setups, limiting efficiency and growth. This is where Coder comes in. In our 101 Coder webinar, you’ll explore how cloud-based development environments can unlock new levels of productivity. Discover how to transition from local setups to a secure, cloud-powered ecosystem with ease.

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Digging Into Data Replication At Fivetran

Data Engineering Podcast

Summary The extract and load pattern of data replication is the most commonly needed process in data engineering workflows. Because of the myriad sources and destinations that are available, it is also among the most difficult tasks that we encounter. Fivetran is a platform that does the hard work for you and replicates information from your source systems into whichever data warehouse you use.

Media 100
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Announcing Bottom Navigator

Pandora Engineering

An Android Multiple Backstack Bottom Navigation Library Pandora’s latest mobile redesign brings the bottom navigation pattern to our apps. Bottom navigation has become a popular design choice for many apps due to its many advantages including easy one-handed use and enhanced discoverability of top app destinations. When Pandora embarked on this project our designers had a clear vision of how navigation should work, a vision that in many ways is familiar to users of other popular apps like Instag

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Four Steps to Drive Digital Transformation in Your Bank

Teradata

Digital transformation & regulatory requirements have long challenged Banks. Teradata has deep experience in ushering them through the transformation process.

Banking 15
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Why Data Visualization Is The Most Important Skill in a Data Analyst Arsenal

KDnuggets

Visually-displayed data is much more accessible, and it’s criticalto promptly identify the weaknesses of an organization, accurately forecasttrading volumes and sale prices, or make the right business choices.

Data 123
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15 Modern Use Cases for Enterprise Business Intelligence

Large enterprises face unique challenges in optimizing their Business Intelligence (BI) output due to the sheer scale and complexity of their operations. Unlike smaller organizations, where basic BI features and simple dashboards might suffice, enterprises must manage vast amounts of data from diverse sources. What are the top modern BI use cases for enterprise businesses to help you get a leg up on the competition?

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Kafka Connect Improvements in Apache Kafka 2.3

Confluent

With the release of Apache Kafka ® 2.3 and Confluent Platform 5.3 came several substantial improvements to the already awesome Kafka Connect. Not sure what Kafka Connect is or need convincing of its awesomeness? Didn’t realise that it’s part of Apache Kafka and solves all your streaming integration needs? Check out my Kafka Summit London talk: From Zero to Hero with Kafka Connect —and if you want to hear more talks like this, be sure to come to Kafka Summit San Francisco.

Kafka 21
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Simple node.JS and Slack WebHook integration

nodeSWAT

This post will walk you through the process of how to turn this awesome chat tool into a handy monitoring & alerting tool for your application. All this without any 3rd party modules and minimal code to keep the footprint small. Note: This post is using now outmoded integration method. Slack has introduced new ways to manage and send messages via Apps.

Coding 52
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Solving Data Discovery At Lyft

Data Engineering Podcast

Summary Data is only valuable if you use it for something, and the first step is knowing that it is available. As organizations grow and data sources proliferate it becomes difficult to keep track of everything, particularly for analysts and data scientists who are not involved with the collection and management of that information. Lyft has build the Amundsen platform to address the problem of data discovery and in this episode Tao Feng and Mark Grover explain how it works, why they built it, a

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Using Tableau with DynamoDB: How to Build a Real-Time SQL Dashboard on NoSQL Data

Rockset

In this blog, we examine DynamoDB reporting and analytics, which can be challenging given the lack of SQL and the difficulty running analytical queries in DynamoDB. We will demonstrate how you can build an interactive dashboard with Tableau, using SQL on data from DynamoDB, in a series of easy steps, with no ETL involved. DynamoDB is a widely popular transactional primary data store.

NoSQL 40
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Prepare Now: 2025s Must-Know Trends For Product And Data Leaders

Speaker: Jay Allardyce, Deepak Vittal, Terrence Sheflin, and Mahyar Ghasemali

As we look ahead to 2025, business intelligence and data analytics are set to play pivotal roles in shaping success. Organizations are already starting to face a host of transformative trends as the year comes to a close, including the integration of AI in data analytics, an increased emphasis on real-time data insights, and the growing importance of user experience in BI solutions.

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Cloud Analytic Migrations with Microsoft, Informatica & Teradata?

Teradata

Teradata partners Microsoft & Informatica announced that they are taking on cloud analytic migrations. Find out what this means for our on-premises customers.

Cloud 15
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Object-oriented programming for data scientists: Build your ML estimator

KDnuggets

Implement some of the core OOP principles in a machine learning context by building your own Scikit-learn-like estimator, and making it better.

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Building Shared State Microservices for Distributed Systems Using Kafka Streams

Confluent

The Kafka Streams API boasts a number of capabilities that make it well suited for maintaining the global state of a distributed system. At Imperva, we took advantage of Kafka Streams to build shared state microservices that serve as fault-tolerant, highly available single sources of truth about the state of objects in our system. Why we chose Kafka Streams.

Kafka 20
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Building the New Uber Freight App as Lists of Modular, Reusable Components

Uber Engineering

As Uber Freight marked its second anniversary, we went back to the drawing board to redesign its app. The original carrier app was successful for owner-operators with one or two drivers, but it wasn’t optimized for larger fleets—feedback we … The post Building the New Uber Freight App as Lists of Modular, Reusable Components appeared first on Uber Engineering Blog.

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How to Drive Cost Savings, Efficiency Gains, and Sustainability Wins with MES

Speaker: Nikhil Joshi, Founder & President of Snic Solutions

Is your manufacturing operation reaching its efficiency potential? A Manufacturing Execution System (MES) could be the game-changer, helping you reduce waste, cut costs, and lower your carbon footprint. Join Nikhil Joshi, Founder & President of Snic Solutions, in this value-packed webinar as he breaks down how MES can drive operational excellence and sustainability.

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Nothing but NumPy: Understanding & Creating Neural Networks with Computational Graphs from Scratch

KDnuggets

Entirely implemented with NumPy, this extensive tutorial provides a detailed review of neural networks followed by guided code for creating one from scratch with computational graphs.

Coding 123
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Top Handy SQL Features for Data Scientists

KDnuggets

Whenever we hear "data," the first thing that comes to mind is SQL! SQL comes with easy and quick to learn features to organize and retrieve data, as well as perform actions on it in order to gain useful insights.

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Is Kaggle Learn a “Faster Data Science Education?”

KDnuggets

Kaggle Learn is "Faster Data Science Education," featuring micro-courses covering an array of data skills for immediate application. Courses may be made with newcomers in mind, but the platform and its content is proving useful as a review for more seasoned practitioners as well.

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Deep Learning for NLP: Creating a Chatbot with Keras!

KDnuggets

Learn how to use Keras to build a Recurrent Neural Network and create a Chatbot! Who doesn’t like a friendly-robotic personal assistant?

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Improving the Accuracy of Generative AI Systems: A Structured Approach

Speaker: Anindo Banerjea, CTO at Civio & Tony Karrer, CTO at Aggregage

When developing a Gen AI application, one of the most significant challenges is improving accuracy. This can be especially difficult when working with a large data corpus, and as the complexity of the task increases. The number of use cases/corner cases that the system is expected to handle essentially explodes. 💥 Anindo Banerjea is here to showcase his significant experience building AI/ML SaaS applications as he walks us through the current problems his company, Civio, is solving.