A Data Science Central Community
I love that one liner from movies so I thought it appropriate for what I wanted to write this morning. There are lots of people out there playing Social Media experts, they promise followers, 1,000′s of them but how are they attaining them? Are they mining for followers from your niche or are they just searching for “follow-back” or others on Twitter who automatically accepts followers? What promises “on paper” did they make you? Did they guarantee your results? Did they guarantee to…Continue
Added by Carla Gentry on October 10, 2011 at 8:05am — No Comments
Bayes' theorem is a mathematical equation used in court cases to analyse statistical evidence. But a judge has ruled it can no longer be used. Will it result in more miscarriages of justice?
It's not often that the quiet world of mathematics is rocked by a murder case. But last summer saw a trial that sent academics into a tailspin, and has since swollen into a fevered clash between science and…Continue
This is a quick entry to tell you about three things --
- My free report, "Text/Content Analytics 2011: User Perspectives on Solutions and Providers," is out. Are you looking for business value in "unstructured" social, online, or enterprise sources? My report will provide background information and "wisdom of the crowds" guidance you can use. Download the report free via altaplana.com/TA2011.
- For a deeper dive into…
One of my friends (referred to as the patient) holds a Ph.D. degree in statistics and has been affected with a common skin condition for more than 20 years, known as rosacea (http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001882/). Here we report how he came with a solution to fully eliminate the problem. Physicians traditionally agree that there is no cure for rosacea.
This study involves only one patient. But…Continue
I was reading about the "Automated Reduced Error Predictive Analytics" patent secured by Rice Analytics (see below) and my first question is:
How can you successfully sue competitors about using a mathematical technology? After all, most vendors offer error and variance reduction as well as dimension reduction and automated model selection (based on optimizing goodness-of-fit) in their software. All statistical and data mining consultants, including myself, also use similar…Continue
Click on the link below to download our spreadsheet with data for 91 metro areas in US. The 4-th column, labeled Unique Index, tells you which cities have the highest proportion of people visiting Analyticbridge. These are monthly statistics.
A chart that speaks by itself. Couldn't be described any better by using words. Of course, population grew between 1970 and 2010, but not by 400%. Did the definition of unemployed changed between 2007 and 2009?
Added by Vincent Granville on October 6, 2011 at 7:00pm — No Comments
SAN FRANCISCO -- Oracle introduced two new appliances Sunday, one an in-memory server for business intelligence and the other a big data appliance for Hadoop and NoSQL.
The Oracle Exalytics Business Intelligence Machine is a server that runs the company’s own TimesTen in-memory technology and Oracle Business Intelligence Foundation Suite. It includes 1 TB of dynamic random-access…Continue
Added by Vincent Granville on October 6, 2011 at 5:51pm — No Comments
Facebook Inc. and LinkedIn Corp. are primarily known for their social networking prowess, but they’re also credited with helping to formalize an emerging job category known as data scientists -- and they both now employ a cadre of people in that role.
The data scientist position, which is also gaining ground at companies such as Google, Foursquare, Groupon and even financial services firm Zions Bancorporation, typically involves a combination of analytical, statistical,…Continue
Added by Vincent Granville on October 6, 2011 at 5:00pm — No Comments
FICO has announced the FICO Analytic Learning Webinar Series, five free webinars from October through January devoted to helping financial services analytics professionals improve their use of predictive analytics and modeling.
The webinars focus on sharing advanced analytic techniques pioneered by FICO experts along with case studies demonstrating how financial services institutions around the world are using analytics and modeling to solve business problems…Continue
How Long Do Housing Cycles Last? A Duration Analysis for 19 OECD Countries
IMF Working Paper Research Department
Added by John A Morrison on October 4, 2011 at 12:33am — No Comments
Economics in the Next Ten Years?
A young economist, or an economics journalist interested in what the young are working on, could do a lot worse than reading through, as I did the other day, …
Added by John A Morrison on October 3, 2011 at 10:42pm — No Comments
Update: a new, much better version of this article, was published in 2019, here.
Here I propose a solution that can be automated and does…Continue
I am unable to understand how can we apply Statistics inferential techniques to Mutliple Response questionnaire data sets. Please help me
Added by MANISH NEGI on October 1, 2011 at 8:31am — No Comments