Tag: R

Feed: Featured Blog Posts - Data Science Central. Author: Igor Bobriakov. Programming languages are a tool for the realization of many powerful data science applications. But, there are so many of them and it has become confusing to choose the optimal one for your specific project. In this article, we are going to talk about popular languages for Data Science and briefly describe each of them. Python Python is a modern, general-purpose, high-level, dynamic programming language. It can be used for integrating with web apps or incorporate statistics code into a production database. There are a lot of libraries, which can ... Read More

Feed: R-bloggers. Author: R Views. [This article was first published on R Views, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. In a previous post, we explored IPOs and IPO returns by sector and year since 2004. Today, let’s investigate how portfolios formed with those IPOs have performed. We will need to grab the price histories of the tickers, then form portfolios, then calculate their performance, and then rank those performances in some ... Read More

Feed: R-bloggers. Author: R | datawookie. [This article was first published on R | datawookie, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. The Durban EDGE (Economic Development and Growth in eThekwini) DataQuest was held at UKZN (Westville Campus) on 13 November 2019. Participants were tasked with creating something interesting and useful with the civic data on the new Durban EDGE Open Data Portal developed by Open Data Durban. These datasets were available: ... Read More

Feed: Planet PostgreSQL. OSM to PostGIS – The BasicsEver wondered how to import OSM (OpenStreetMap) data into PostGIS [1] for the purpose of visualization and further analytics? Here are the basic steps to do so.There are a bunch of tools on the market— osm2pgsql; imposm; ogr2org; just to mention some of those. In this article I will focus on osm2pgsql [2] .Let’s start with the software prerequisites. PostGIS comes as a PostgreSQL database extension, which must be installed in addition to the core database. Up till now, the latest PostGIS version is 3, which was released some days ago. For ... Read More

Feed: AWS Compute Blog. Author: Betsy Chernoff. This post is contributed by Mike Coleman | Developer Advocate for Lightsail | Twitter: @mikegcolemanThis is the final post in a series about getting a highly available WordPress site up and running on Amazon Lightsail. For reference, the other blog posts are: Implementing a highly available Lightsail database with WordPress Using Amazon S3 with WordPress to securely deliver media files Increasing security and performance using Amazon CloudFront In this post, you’ll learn how to stand up a Lightsail load balancer, create a snapshot of your WordPress server, deploy new instances from those snapshots, ... Read More

Feed: Planet MySQL; Author: Tony Darnell; Installing MySQL on Oracle Cloud’s “Always Free” Compute Instance November 14, 2019 Leave a comment At Oracle’s OpenWorld 2019, Oracle announced an Oracle Cloud Free Tier, which includes Oracle Cloud services that will always be free – as long as you use them or keep them active. Most other hyperscale cloud vendors offer a free 12-month trial before they start charging you, so to see Oracle provide a “truly free” service is really great. And the free services are not just limited to one or two choices – you get a wide variety of free ... Read More

Feed: Planet MySQL; Author: Severalnines; MySQL InnoDB Cluster consists of 3 components: MySQL Group Replication (a group of database server which replicates to each other with fault tolerance). MySQL Router (query router to the healthy database nodes) MySQL Shell (helper, client, configuration tool) In the first part of this walkthrough, we are going to deploy a MySQL InnoDB Cluster. There are a number of hands-on tutorial available online but this walkthrough covers all the necessary steps/commands to install and run the cluster in one place. We will be covering monitoring, management and scaling operations as well as some gotchas when ... Read More

Feed: R-bloggers. Author: kjytay. When plotting an lm object in R, one typically sees a 2 by 2 panel of diagnostic plots, much like the one below: set.seed(1) x This link has an excellent explanation of each of these 4 plots, and I highly recommend giving it a read. Most R users are familiar with these 4 plots. But did you know that the plot() function for lm objects can actually give you 6 plots? It says so right in the documentation: We can specify which of the 6 plots we want when calling this function using the which option ... Read More

Feed: Microsoft Azure Blog. Author: Bert Van Hoof. One of the most dynamic landscapes embracing Internet of Things (IoT) is the modern city. As urbanization grows, city leaders are under increasing pressure to make cities safer, accessible, sustainable, and prosperous. Underlying all these important goals is the bedrock that makes a city run: infrastructure. Whether it be water, electricity, streets, traffic lights, cities are increasingly using the Internet of Things (IoT) to manage their infrastructure by capturing and analyzing data from connected devices and sensors. This gives city managers real-time insights to improve operational efficiency and outcomes and to altogether ... Read More

Feed: R-bloggers. Author: Michael Griebe. Week 11 Gold Mining and Fantasy Football Projection Roundup now available. The post Gold-Mining Week 11 (2019) appeared first on Fantasy Football Analytics. Related If you got this far, why not subscribe for updates from the site? Choose your flavor: e-mail, twitter, RSS, or facebook ... Read More