Tag: Twitter

Feed: R-bloggers. Author: Branden Dunbar. At Plotly, we are commonly asked about thematic maps — especially county-level choropleth maps. This style of map provides a visual illustration of variation across a geographic area. Some pertinent uses are population density, economic measurements, crime statistics, and election results. With Plotly, there are multiple ways to bring county-level choropleths to life. For example, using ggplotly or native plot_ly or plot_mapbox . . . For now, we will look at how to create the US electoral map using the ggplotly method. For more information concerning the plot_ly and plot_mapbox examples, checkout our R documentation library.   ... Read More

Feed: R-bloggers. Author: Peter Laurinec. Ensemble learning methods are widely used nowadays for its predictive performance improvement. Ensemble learning combines multiple predictions (forecasts) from one or multiple methods to overcome accuracy of simple prediction and to avoid possible overfit. In the domain of time series forecasting, we have somehow obstructed situation because of dynamic changes in coming data. However, when a single regression model is used for forecasting, time dependency is not the obstacle, we can tune it at current time of a sliding window. For this reason, in this post, I will describe you two simple ensemble learning methods ... Read More

Feed: R-bloggers. Author: R – Bio7 Website. 19.10.2017 I released a new version of Bio7 for MacOSX. (Screenshots: Bio7 with Dark theme enabled. Scrollbars are set to “When scrolling” in the preferences.) For an overview of the new features please consult the release notes of Windows and Linux here: Installation: Download and extract the installation file from http://bio7.org. If you start Bio7 a warning or error can occur because of the changes how Apple treats signatures! To allow Bio7 to start see this instructions for Yosemite and Sierra: OS X Yosemite: Open an app from an unidentified developer macOS Sierra: ... Read More

Feed: Planet big data. Author: Robert Stroud. Forrester’s What It Means PodcastConversations with thought leaders to define and demystify the changing market. Listen or subscribe now    Earlier in the year, we declared 2017 to be the year of DevOps and I am pleased to say, “we were right!!” With our data confirming that 50% of organizations are implementing DevOps, DevOps has reached “Escape Velocity”[1]. The questions and discussions with clients have shifted from “What is DevOps?” to “How do I implement at scale?”. As we are near the end of 2017, the number of inquiries are increasingly focused on how ... Read More

Feed: R-bloggers. Author: David Smith. Taxis are plentiful and convenient in New York City, but the city is also served by a wide network of commuter bicycles (Citi Bikes). If you need to get from, say, the West Village to the Garment District, are you better off time-wise hailing a cab, or heading over to the nearest Citi Bike station? Data scientist Todd W. Schnieder crunched the number on travel times for both taxis and Citi Bikes to figure out which was better. Neither is universally the best, but for some trips taxis are most often the fastest, and for ... Read More

Feed: R-bloggers. Author: R Views. There are many ways to query data with R. This post shows you three of the most common ways: Using DBI Using dplyr syntax Using R Notebooks Background Several recent package improvements make it easier for you to use databases with R. The query examples below demonstrate some of the capabilities of these R packages. DBI. The DBI specification has gone through many recent improvements. When working with databases, you should always use packages that are DBI-compliant. dplyr & dbplyr. The dplyr package now has a generalized SQL backend for talking to databases, and the ... Read More

Feed: Planet MySQL; Author: Valeriy Kravchuk; While MySQL 8.0.x hardly has much impact on my regular work, recent MySQL 5.7.20 release is something to check carefully. MySQL 5.7 is widely used in production, as a base for Percona Server 5.7, some features may be merged into MariaDB 10.x etc. So, here is my review of some community reported bugs that were fixed in recently released MySQL 5.7.20, based on the release notes.Usually I start with InnoDB bug fixes, but in 5.7.20 several related fixes were made only to bugs reported internally. So, this time I have to start with partitioning: ... Read More

Feed: Planet big data. Author: Maxie Schmidt. Digital rewrites the rules of businessDiscover how to reinvent your business with technology at the core. Watch the webinar replay    Seems like it’s good news when only 5% of CX pros say lack of support by the CEO is among their top 3 challenges. A successful CX transformation needs a CEO who leads by example and rallies the organization around CX. When committed CEOs leave, CX efforts die. But is this really good news? No. We are kidding ourselves. Because the most-mentioned top 3 challenges are: Organizational culture (54%), organizational structures (45%), processes ... Read More

Feed: IBM Big Data & Analytics Hub - All Content; Author: doreen-dunn; Transcript Moderator:  Al Martin October 12, 2017 2:36 pm CT  Albert Martin:     All right.  Hey welcome back to the series Making Data Simple.  This is Al Martin.  Today’s topic is Growth Hacking and I’ve got a person on the call today named Nancy Hensley, native of Chicago, Director of Offering Management, the most positive person that I know.  How’s that?  Is that pretty good?   Nancy Hensley:    That’s great.  That’s great.   Albert Martin:     And a social champion so as  I know it and an advocate of growth hacking, right?   ... Read More

Feed: IDERA Community Blog; Author: Zoe Bell; While medical facilities are most at risk for a HIPAA violation, most organizations in the United States have to comply with the law and can be hit with civil and criminal penalties.Participate in our next Twitter Chat on November 29 at 11 AM CT with host K. Brian Kelley (@kbriankelley) as he leads a community discussion on meeting HIPAA compliance with your databases. What challenges are you having? What can you share that you wish you knew before you started your own efforts? Discuss this and more using #SQLChat. This #SQLChat will allow ... Read More