Industry Spotlight: Hospitals

Hospitals are a major employer of statisticians and analytics professionals, both in support of clinical research like the retinopathy study described earlier, and to improve hospital operations (outcomes, cost management, etc.). Here are a few quick facts about the hospital industry: US hospital revenue totals…

Comments Off on Industry Spotlight: Hospitals

Matching Algorithms

Some applications of machine learning and artificial intelligence are recognizably impressive - predicting future hospital readmission of discharged patients, for example, or diagnosing retinopathy. Others - self-driving cars, for example - seem almost magical. The matching problem, though, is one where your first reaction might…

Comments Off on Matching Algorithms

Job Spotlight: Risk Analyst

Many jobs are centered around risk management.  If you’re looking through job postings, of course, you’ll see lots of jobs whose purpose is to make sure that nothing bad happens - the equivalent of locking the doors and closing the windows.  More interesting from a…

Comments Off on Job Spotlight: Risk Analyst

Industry Spotlight: Precision Agriculture

The application of analytics to agriculture has given rise to what is called “precision agriculture,” a science that seeks to take advantage of and use detailed information that is local in time and place.  Tractors and farm equipment are being equipped with sensors and software…

Comments Off on Industry Spotlight: Precision Agriculture

Industry Spotlight: Agriculture

Weeds are big business - the global herbicide market is over $35 billion annually.  Weeds are also big government (think “invasive species”). California’s listing of weeds is called Encycloweedia, and the state publishes a quarterly newsletter called Noxious Times. Colorado publishes a similar periodical, Invader.…

Comments Off on Industry Spotlight: Agriculture

Industry Spotlight: Baseball (Sports) Statistics

The U.S. baseball season opens Thursday, March 28, and celebrates the 48th season of analytics in baseball, beginning with the founding of the Sabermetric Society in 1971 (the same year that Satchel Paige entered the Hall of Fame).  Analytics has come a long way in…

Comments Off on Industry Spotlight: Baseball (Sports) Statistics

Industry Spotlight: Consulting

When a new technology arrives, consulting companies can quickly add staff and expertise to build institutional capacity centered around the technology in ways companies focused on delivering their own products and services cannot.  Large consulting companies like Booz Allen and McKinsey, as well as smaller…

Comments Off on Industry Spotlight: Consulting

Instructor Spotlight: Cliff Ragsdale

Cliff T. Ragsdale teaches several courses for the Institute in the area of operations research, based on his best selling text “Spreadsheet Modeling and Decision Analysis.”  One of Cliff’s special talents is making his subject, which can be quite challenging technically, widely accessible. His courses do…

Comments Off on Instructor Spotlight: Cliff Ragsdale

Course Spotlight: Survival Analysis

Convinced that he, like his father, would die in his 40’s, Winston Churchill lived his early life in a frenetic hurry.  He had participated in four wars on three continents by his mid-20’s, served in multiple ministerial positions by his 30’s, and published 12 books…

Comments Off on Course Spotlight: Survival Analysis

Industry Spotlight: Military Operations

Abraham Wald, a persecuted Jewish mathematician who fled Austria just before World War II, led an analysis of allied bombers returning from missions.  Hitherto, the Air Force had focused on reinforcing areas that showed the most damage on return. Wald convinced them instead to focus…

Comments Off on Industry Spotlight: Military Operations
"When I started teaching mandatory biostatistics classes in 1970 at UNC, I realized early on that a lot of kids didn't want to take a course they perceived as boring, so I kept things relaxed and fun."
Instructor Spotlight: David Kleinbaum

Job Spotlight: Data Scientist

Data science is one of a host of similar terms.  “Artificial intelligence” has been around since the 1960’s and “data mining” for at least a couple of decades.  “Machine learning” came out of the computer science community, and “analytics,” “data analytics,” and “predictive analytics” came…

Comments Off on Job Spotlight: Data Scientist

Likert scale assessment surveys

Do you work with multiple choice tests, or Likert scale assessment surveys?  Rasch methods help you construct linear measures from these forms of scored observations and analyze the results from such surveys and tests.  "Practical Rasch Measurement - Core Topics" In this course, you will learn practical…

Comments Off on Likert scale assessment surveys

Historical Spotlight: Jacob Wolfowitz

World War II was a crucible of technological innovation, including advances in statistics. Jacob Wolfowitz, born a century ago (1920), looked at the problem of noisy radio transmissions. Coded radio transmissions were critical elements of military command and control, and they were plagued by the…

Comments Off on Historical Spotlight: Jacob Wolfowitz

Certificate Graduate: Cristobal Bazan, United Nations Agency

Certificate Student Profile of Cristobal Bazan My courses help me look at more complex problems using different approaches to show more interesting aspects of conditions, beyond just tables and charts, more than just sampling or descriptive statistics. Cristobal Bazan United Nations Agency How do you…

Comments Off on Certificate Graduate: Cristobal Bazan, United Nations Agency

Problem of the Week: The Value of Bedrooms

Question: You work for an internet real-estate company, building statistical models to predict home price on the basis of square footage, number of bedrooms, number of bathrooms, property type (single family home, townhouse, multiplex), and age. Surprisingly, you find the coefficient for bedrooms is negative,…

Comments Off on Problem of the Week: The Value of Bedrooms

Statistically Significant – But Not True

If you are looking for the Feature Engineering blog post, you can find it here: https://www.statistics.com/blog/1/1558369154-feature-engineering-data-prep-still-needed/ In 2015, at an Alzheimer's conference, Biogen researchers presented dramatic brain scans showing that the antibody aducanumab effectively cleared out plaque in the brain, plaque that was associated with…

Comments Off on Statistically Significant – But Not True

Book Review: Everyone Lies: Big Data, New Data, and What the Internet Can Tell Us About Who We REALLY Are

This week's book review is of Everybody Lies: Big Data, New Data, and What the Internet Can Tell Us About Who We Really Are, Seth Stephens-Davidowitz's fascinating book about how social media data reveals all sorts of things about us that we barely know ourselves. …

Comments Off on Book Review: Everyone Lies: Big Data, New Data, and What the Internet Can Tell Us About Who We REALLY Are

Industry Spotlight – Precision Agriculture

The application of analytics to agriculture has given rise to what is called "precision agriculture", a science that seeks to take advantage of and use detailed information that is local in time and place. Tractors and farm equipment are being equipped with sensors and software…

Comments Off on Industry Spotlight – Precision Agriculture

Historical Spotlight: Ronald A. Fisher

In 1919, Ronald A. Fisher was appointed as chief statistician at the agricultural research station in Rothamsted, a post created for him. His work there resulted, in 1925, in the publication of his classic Statistical Methods for Research Workers. An important message of his book…

Comments Off on Historical Spotlight: Ronald A. Fisher
Close Menu