Tag: group

Feed: Featured Blog Posts - Data Science Central. Author: saurabh ajmera. As per Wikipedia, Price Elasticity of Demand (PED or ED or PE) is a measure used in economics to show the responsiveness, or change, of the quantity demanded of a good or service to a change in its price when nothing but the price changes. In more precise business terms, it helps in finding those products which have their sales more/less susceptible to price changes. As we know, the demand is inversely proportional to price, it is quite imperative to know this information for optimising sales and margins. Without ... Read More

Feed: Featured Blog Posts - Data Science Central. Author: Stephanie Glen. What is the Difference Between Stratified Sampling and Cluster Sampling? The main difference between stratified sampling and cluster sampling is that with cluster sampling, you have natural groups separating your population. For example, you might be able to divide your data into natural groupings like city blocks, voting districts or school districts. With stratified random sampling, these breaks may not exist*, so you divide your target population into groups (more formally called "strata").  In stratified sampling, a sample  is drawn from each strata (using a random sampling method like simple ... Read More

Feed: CronJ. Author: Ayush Goel; As discussed in my last blog, there are 2 types of databases SQL and NoSQL. So in this blog, we will be looking at one type of NoSQL database that is MongoDB. MongoDB is an example of a document-type database, which means it stores data in JSON-like documents. One of the biggest reasons for its popularity is the data model used is a highly elastic one that allows us to combine and store data of multivariate types. MongoDB Architecture Let’s first discuss the architecture of MongoDB. A typical MongoDB architecture has 3 parts-  Database: A database ... Read More

Feed: Neo4j Graph Database Platform. Author: Mark Needham. This week we preview the GRANDstack and GraphQL talks at the NODES 2019 conference and we learn how to build a data warehouse with Neo4j. Stefan Dreverman continues his series on building questionnaires using Neo4j, Jan Zak teaches us how to scale up d3.js graph visualisations, and we have a GRANDstack movies demo app. Mark Needham and the Developer Relations team Our featured community member this week is Betsy Hilliard, Senior Scientist at Valkyrie Intelligence. Betsy Hilliard – This Week’s Featured Community Member Betsy is a classic graph-nerd who is fortunate enough ... Read More

Feed: AWS Partner Network (APN) Blog. Author: Henry Axelrod. By Henry Axelrod, Partner Solutions Architect at AWSBeing able to access files via standard file protocols from one or more locations is important to many organizations. In this post, I will explore how Nasuni’s solution allows customers to access files across many locations through the use of a physical or virtual appliance. You can run these appliances in a data center or the Amazon Web Services (AWS) Cloud. Nasuni is an AWS Partner Network (APN) Advanced Technology Partner with the AWS Storage Competency. With industry-leading encryption, local performance, and pay-as-you-go pricing, Nasuni ... Read More

Feed: What's New. Author: Conor Knowles, Mary Grace Glascott. Luke Stapleton, the analytical platform manager at nib group, did not want to undertake a big DevOps project when planning the insurance company’s cloud analytics journey. The team chose Snowflake as its cloud data warehouse because it proved to have everything the company needed out-of-the-box. It easily complimented the company’s existing cloud infrastructure, quickly processed its significantly large volumes of data, and flexibly scaled up and out depending on the needs of the business. Another important factor when choosing Snowflake was the ability to support nib group’s Tableau deployment, which had ... Read More

Feed: All Oracle Press Releases. Oracle welcomes our customers and partners to Oracle OpenWorld 2019 in San Francisco, the world's largest and most prominent business and technology conference. The annual event takes place September 16-19 at The Moscone Center and throughout the South of Market district. Oracle’s unique partnerships with the City of San Francisco, the San Francisco Giants and the Golden State Warriors allow it to offer this year’s attendees unique events with exclusive access to Oracle Park and the new, state-of-the-art Chase Center. Over the course of the week, Chairman of the Board and Chief Technology Officer Larry ... Read More

Feed: AWS Big Data Blog. Perimeter security helps secure Apache Hadoop cluster resources to users accessing from outside the cluster. It enables a single access point for all REST and HTTP interactions with Apache Hadoop clusters and simplifies client interaction with the cluster. For example, client applications must acquire Kerberos tickets using Kinit or SPNEGO before interacting with services on Kerberos enabled clusters. In this post, we walk through setup of Apache Knox to enable perimeter security for Amazon EMR clusters.It provides the following benefits: Simplify authentication of various Hadoop services and UIs Hide service-specific URLs/Ports by acting as a Proxy Enable SSL ... Read More

Feed: Cambridge Intelligence. Author: Michael Barlow. Part 1: visualizing blocks of transactionsWhether it’s Bitcoin’s value fluctuations, million-dollar hacks, the launch of new currencies or stories of regulators grappling with a brave new world, barely a week passes without cryptocurrencies hitting the headlines.While governments and banks still dislike the concept of digital currencies, there’s a huge business opportunity. Compared to traditional fiat currencies, decentralized cryptocurrencies offer a secure, low-cost way to transfer funds anywhere in the world. They’re widely regarded as the future of finance, so it’s no wonder people want to learn more.This blog is the first of two posts ... Read More

Feed: AWS Big Data Blog. Amazon QuickSight is a fast, cloud-powered business intelligence service that makes it easy to deliver insights to everyone in your organization. As a fully managed service, Amazon QuickSight lets you easily create and publish interactive dashboards that can then be accessed from any device and embedded into your applications, portals, and websites.Amazon QuickSight supports identity federation through Security Assertion Markup Language 2.0 (SAML 2.0) in both Standard and Enterprise editions. With federation, you can manage users using your enterprise identity provider (IdP) and pass them to Amazon QuickSight at log-in. Such IdPs include Microsoft Active ... Read More