Welcome!

Search Authors: Lori MacVittie, Carmen Gonzalez, Liz McMillan, Shelly Palmer, Lacey Thoms

Blog Feed Post

Incidental R

by Joseph Rickert Last week, I posted a list of sessions at the Joint Statistical Meetings related to R. As it turned out, that list was only the tip of the iceberg. In some areas of statistics, such as graphics, simulation and computational statistics the use of R is so prevalent that people working in the field often don't think to mention it. For example, in the session New Approaches to Data Exploration and Discovery which included the presentation on the Glassbox package that figured in my original list, R was important to the analyses underlying nearly all of the talks in one way or another. The following are synopses of the talks in that session along with some pointers to relevant R resources.  Exploring Huge Collections of Scatterplots Statistics and visualization legend Leland Wilkinson of Skytree showed off ScagExployer, a tool he built with Tuan Dang of the University of Illinois at Chicago to explore scagnostics (a contraction for “Scatter Plot Diagnostics” made up by John Hartigan and Paul Tukey in the 1980’s). ScagExployer makes it possible to look for anomalies and search for similar distributions in a huge collections of scatter plots. (The example Leland showed contained 124K plots).The ideas and many of the visuals for the talk can be found in the paper ScagExplorer: Exploring Scatterplots by Their Scagnostics. ScagExployer is Java based tool, but R users can work with the scagnostics package written by Lee Wilkinson and Anushka Anand in 2007. Glassbox: An R Package for Visualizing Algorithmic Models: Google’s Max Ghenis presented work he did with fellow Googlers Ben Ogorek; and Estevan Flores. Glassbox is an R application that attempts to provide transparency to “blackbox” algorithmic models such as Random Forests. Among other things, it calculates and plots the collective importance of groups of variables in such a model. The slides for the presentation are available, as is the package itself. Google is using predictive modeling and tools such as glassbox to better understand the characteristics of its workforce and to ask important, reflective questions such a “How can we better understand diversity?” The company also does HR modeling to see if what they know about people can give them a competitive edge in hiring. For example, Google uses data collected from people who have interviewed at the company in the past, but who have not received offers from Google, to try and understand Google's future hiring needs. The coolest thing about this presentation was that these guys work for the Human Resources Department! If you think that you work for a tech company go down to HR and see if you can get some help with Random Forests. A Web Application for Efficient Analysis of Peptide Libraries Eric Hare of Iowa State University introduced PeLica, work he did with colleagues Timo Sieber of University Medical Center Hamburg-Eppendorf and Heike Hofmann of Iowa State University. PeLica is an interactive, Shiny application to help assess the statistical properties of peptide libraries. PeLica’s creators refer to it as a Peptide Library Calculator that acts as a front end to the R package peptider which contains functions for evaluating the diversity of peptide libraries. The authors have done an exceptional job of using the documentation features available in Shiny to make their app a teaching tool. To Merge or Not to Merge: An Interactive Visualization Tool for Local Merges of Mixture Model Components Elizabeth Lorenzi of Carnegie Mellon showed the prototype for an interactive visualization tool that she is working on with Rebecca Nugent of Carnegie Mellon and Nema Dean of the University of Glasgow. The software calculates inter-component similarities of mixture model component trees and displays them as hierarchical dendrograms. Elizabeth and her colleagues are implementing this tool as an R package. An Interactive Visualization Platform for Interpreting Topic Models Carson Sievert of Iowa State University presented LDAvis, a general framework for visualizing topic models that he is building with Kenny Shirley of AT&T Labs. LDAvis is interactive R software that enables users to interpret and compare topics by highlighting keywords. The theory is nicely described in a recent paper, and the examples on Carson’s Github page are instructive and fun to play with. In this plot below, circle 26 representing a  topic has been selected. The bar chart on the right displays the 30 most relevant terms for this topic. The red bars represent the frequency of a term in a given topic, (proportional to p(term | topic)), and the gray bars represent a term's frequency across the entire corpus, (proportional to p(term)). Gravicom: A Web-Based Tool for Community Detection in Networks Andrea Kaplan showed off an interactive application that she and her Iowa State University team members, Heike Hofmann and  Daniel Nordman are building. GRavicom is an interactive web application based on Shiny and the D3 JavaScript library that lets a user manually collect nodes into clusters in a social network graph and then save this grouping information for subsequent processing. The idea is that eyeballing a large social network and selecting “obvious” groups may be an efficient way to initialize a machine learning algorithm. Have a look at a  Live demo. Human Factors Influencing Visual Statistical Inference Mahbubul Majumder of the University of Nebraska presented joint work done with Heike Hofmann and Dianne Cook, both of Iowa State University, on identifying key factors such as demographics, experience, training, of even the placement of figures in an array of plots, that may be important for the human analysis of visual data.     

Read the original blog entry...

More Stories By David Smith

David Smith is Vice President of Marketing and Community at Revolution Analytics. He has a long history with the R and statistics communities. After graduating with a degree in Statistics from the University of Adelaide, South Australia, he spent four years researching statistical methodology at Lancaster University in the United Kingdom, where he also developed a number of packages for the S-PLUS statistical modeling environment. He continued his association with S-PLUS at Insightful (now TIBCO Spotfire) overseeing the product management of S-PLUS and other statistical and data mining products.<

David smith is the co-author (with Bill Venables) of the popular tutorial manual, An Introduction to R, and one of the originating developers of the ESS: Emacs Speaks Statistics project. Today, he leads marketing for REvolution R, supports R communities worldwide, and is responsible for the Revolutions blog. Prior to joining Revolution Analytics, he served as vice president of product management at Zynchros, Inc. Follow him on twitter at @RevoDavid

@ThingsExpo Stories
The Internet of Things will greatly expand the opportunities for data collection and new business models driven off of that data. In her session at Internet of @ThingsExpo, Esmeralda Swartz, CMO of MetraTech, will discuss how for this to be effective you not only need to have infrastructure and operational models capable of utilizing this new phenomenon, but increasingly service providers will need to convince a skeptical public to participate. Get ready to show them the money! Speaker Bio: Esmeralda Swartz, CMO of MetraTech, has spent 16 years as a marketing, product management, and busin...
Samsung VP Jacopo Lenzi, who headed the company's recent SmartThings acquisition under the auspices of Samsung's Open Innovaction Center (OIC), answered a few questions we had about the deal. This interview was in conjunction with our interview with SmartThings CEO Alex Hawkinson. IoT Journal: SmartThings was developed in an open, standards-agnostic platform, and will now be part of Samsung's Open Innovation Center. Can you elaborate on your commitment to keep the platform open? Jacopo Lenzi: Samsung recognizes that true, accelerated innovation cannot be driven from one source, but requires a...
SYS-CON Events announced today that Red Hat, the world's leading provider of open source solutions, will exhibit at Internet of @ThingsExpo, which will take place on November 4–6, 2014, at the Santa Clara Convention Center in Santa Clara, CA. Red Hat is the world's leading provider of open source software solutions, using a community-powered approach to reliable and high-performing cloud, Linux, middleware, storage and virtualization technologies. Red Hat also offers award-winning support, training, and consulting services. As the connective hub in a global network of enterprises, partners, a...
P2P RTC will impact the landscape of communications, shifting from traditional telephony style communications models to OTT (Over-The-Top) cloud assisted & PaaS (Platform as a Service) communication services. The P2P shift will impact many areas of our lives, from mobile communication, human interactive web services, RTC and telephony infrastructure, user federation, security and privacy implications, business costs, and scalability. In his session at Internet of @ThingsExpo, Robin Raymond, Chief Architect at Hookflash Inc., will walk through the shifting landscape of traditional telephone a...
SYS-CON Events announced today that Matrix.org has been named “Silver Sponsor” of Internet of @ThingsExpo, which will take place on November 4–6, 2014, at the Santa Clara Convention Center in Santa Clara, CA. Matrix is an ambitious new open standard for open, distributed, real-time communication over IP. It defines a new approach for interoperable Instant Messaging and VoIP based on pragmatic HTTP APIs and WebRTC, and provides open source reference implementations to showcase and bootstrap the new standard. Our focus is on simplicity, security, and supporting the fullest feature set.
BSQUARE is a global leader of embedded software solutions. We enable smart connected systems at the device level and beyond that millions use every day and provide actionable data solutions for the growing Internet of Things (IoT) market. We empower our world-class customers with our products, services and solutions to achieve innovation and success. For more information, visit www.bsquare.com.
How do APIs and IoT relate? The answer is not as simple as merely adding an API on top of a dumb device, but rather about understanding the architectural patterns for implementing an IoT fabric. There are typically two or three trends: Exposing the device to a management framework Exposing that management framework to a business centric logic • Exposing that business layer and data to end users. This last trend is the IoT stack, which involves a new shift in the separation of what stuff happens, where data lives and where the interface lies. For instance, it’s a mix of architectural style...
SYS-CON Events announced today that SOA Software, an API management leader, will exhibit at SYS-CON's 15th International Cloud Expo®, which will take place on November 4–6, 2014, at the Santa Clara Convention Center in Santa Clara, CA. SOA Software is a leading provider of API Management and SOA Governance products that equip business to deliver APIs and SOA together to drive their company to meet its business strategy quickly and effectively. SOA Software’s technology helps businesses to accelerate their digital channels with APIs, drive partner adoption, monetize their assets, and achieve a...
From a software development perspective IoT is about programming "things," about connecting them with each other or integrating them with existing applications. In his session at @ThingsExpo, Yakov Fain, co-founder of Farata Systems and SuranceBay, will show you how small IoT-enabled devices from multiple manufacturers can be integrated into the workflow of an enterprise application. This is a practical demo of building a framework and components in HTML/Java/Mobile technologies to serve as a platform that can integrate new devices as they become available on the market.
SYS-CON Events announced today that Utimaco will exhibit at SYS-CON's 15th International Cloud Expo®, which will take place on November 4–6, 2014, at the Santa Clara Convention Center in Santa Clara, CA. Utimaco is a leading manufacturer of hardware based security solutions that provide the root of trust to keep cryptographic keys safe, secure critical digital infrastructures and protect high value data assets. Only Utimaco delivers a general-purpose hardware security module (HSM) as a customizable platform to easily integrate into existing software solutions, embed business logic and build s...
Connected devices are changing the way we go about our everyday life, from wearables to driverless cars, to smart grids and entire industries revolutionizing business opportunities through smart objects, capable of two-way communication. But what happens when objects are given an IP-address, and we rely on that connection, sometimes with our lives? How do we secure those vast data infrastructures and safe-keep the privacy of sensitive information? This session will outline how each and every connected device can uphold a core root of trust via a unique cryptographic signature – a “bir...
Internet of @ThingsExpo Silicon Valley announced on Thursday its first 12 all-star speakers and sessions for its upcoming event, which will take place November 4-6, 2014, at the Santa Clara Convention Center in California. @ThingsExpo, the first and largest IoT event in the world, debuted at the Javits Center in New York City in June 10-12, 2014 with over 6,000 delegates attending the conference. Among the first 12 announced world class speakers, IBM will present two highly popular IoT sessions, which will take place November 4-6, 2014 at the Santa Clara Convention Center in Santa Clara, Calif...
Almost everyone sees the potential of Internet of Things but how can businesses truly unlock that potential. The key will be in the ability to discover business insight in the midst of an ocean of Big Data generated from billions of embedded devices via Systems of Discover. Businesses will also need to ensure that they can sustain that insight by leveraging the cloud for global reach, scale and elasticity.
WebRTC defines no default signaling protocol, causing fragmentation between WebRTC silos. SIP and XMPP provide possibilities, but come with considerable complexity and are not designed for use in a web environment. In his session at Internet of @ThingsExpo, Matthew Hodgson, technical co-founder of the Matrix.org, will discuss how Matrix is a new non-profit Open Source Project that defines both a new HTTP-based standard for VoIP & IM signaling and provides reference implementations.

SUNNYVALE, Calif., Oct. 20, 2014 /PRNewswire/ -- Spansion Inc. (NYSE: CODE), a global leader in embedded systems, today added 96 new products to the Spansion® FM4 Family of flexible microcontrollers (MCUs). Based on the ARM® Cortex®-M4F core, the new MCUs boast a 200 MHz operating frequency and support a diverse set of on-chip peripherals for enhanced human machine interfaces (HMIs) and machine-to-machine (M2M) communications. The rich set of periphera...

SYS-CON Events announced today that Aria Systems, the recurring revenue expert, has been named "Bronze Sponsor" of SYS-CON's 15th International Cloud Expo®, which will take place on November 4-6, 2014, at the Santa Clara Convention Center in Santa Clara, CA. Aria Systems helps leading businesses connect their customers with the products and services they love. Industry leaders like Pitney Bowes, Experian, AAA NCNU, VMware, HootSuite and many others choose Aria to power their recurring revenue business and deliver exceptional experiences to their customers.
The Internet of Things (IoT) is going to require a new way of thinking and of developing software for speed, security and innovation. This requires IT leaders to balance business as usual while anticipating for the next market and technology trends. Cloud provides the right IT asset portfolio to help today’s IT leaders manage the old and prepare for the new. Today the cloud conversation is evolving from private and public to hybrid. This session will provide use cases and insights to reinforce the value of the network in helping organizations to maximize their company’s cloud experience.
The Internet of Things (IoT) is making everything it touches smarter – smart devices, smart cars and smart cities. And lucky us, we’re just beginning to reap the benefits as we work toward a networked society. However, this technology-driven innovation is impacting more than just individuals. The IoT has an environmental impact as well, which brings us to the theme of this month’s #IoTuesday Twitter chat. The ability to remove inefficiencies through connected objects is driving change throughout every sector, including waste management. BigBelly Solar, located just outside of Boston, is trans...
SYS-CON Events announced today that Matrix.org has been named “Silver Sponsor” of Internet of @ThingsExpo, which will take place on November 4–6, 2014, at the Santa Clara Convention Center in Santa Clara, CA. Matrix is an ambitious new open standard for open, distributed, real-time communication over IP. It defines a new approach for interoperable Instant Messaging and VoIP based on pragmatic HTTP APIs and WebRTC, and provides open source reference implementations to showcase and bootstrap the new standard. Our focus is on simplicity, security, and supporting the fullest feature set.
Predicted by Gartner to add $1.9 trillion to the global economy by 2020, the Internet of Everything (IoE) is based on the idea that devices, systems and services will connect in simple, transparent ways, enabling seamless interactions among devices across brands and sectors. As this vision unfolds, it is clear that no single company can accomplish the level of interoperability required to support the horizontal aspects of the IoE. The AllSeen Alliance, announced in December 2013, was formed with the goal to advance IoE adoption and innovation in the connected home, healthcare, education, aut...