#### R0 (R-nought)

For infectious diseases, R0 (R-nought) is the unimpeded replication rate of the disease pathogen in a naive (not immune) population.  An R0 of 2 means that each person with the disease infects two others.  Some things to keep in mind:    An R0 of one means…

#### Apr 28: Statistics in Practice

Models of virus growth are in the news, and this week we take a closer look at the modeling of epidemics, and introduce our newest course: June 12 to July 10  Analyzing and Modeling Covid-19 Data We’ll cover analysis of covid data broadly, and focus…

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#### Conversations with Data Scientists about R and Python

Died-in-the-wool software developers can get quite passionate about the relative virtues of one programming language or another, their debates sometimes threatening to transport you back to middle-school arguments about the greatest ballplayers of all time.  Though their computer passions find other outlets as well, data…

#### Apr 21: Statistics in Practice

In this week’s Brief we take a look at Python vrs. R, and feature some conversations with data scientists.  Our spotlight is on our introductory statistical programming courses: May 15 - June 12:  Introduction to Python Programming May 15 - June 12:  R Programming Introduction…

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#### Apr 14: Statistics in Practice

In this week’s Brief, we explore what data on the flu can tell us about Covid-19 counter-measures.  Our course spotlight is July 31 - Sept 25:  Biostatistics See you in class! - Peter Bruce Founder, Author, and Senior Scientist Social Distancing and the Flu The…

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#### John Snow

John Snow is popularly regarded as the founder of the field of epidemiology, with his famous study of cholera in London.  Snow plotted cholera cases for a neighborhood served by two wells, and found that nearly all clustered around one of the wells, the Broad…

#### Apr 7: Statistics in Practice

In this week’s Brief, we look in greater detail at Elder Research, Inc., which recently acquired Statistics.com.  If your organization is like most organizations, your data science initiatives may lack the direction and support they need to succeed - having a data science team does…

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#### Observation and Quote from John Elder, IV

"The hype around Artificial Intelligence, Machine Learning, and Data Science is enormous, so it’s tempting to be skeptical of the return on investment (ROI) claimed. Still, most of the results are real. Organizations may suspect there is value in their data assets but not be…

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#### Elder Research Capabilities

In late December, Statistics.com was acquired by Elder Research, Inc. Many of you have asked for more detail, so here’s an introduction to the folks at Elder Research and some stories of what they do.  There are 100+ employees at Elder Research, led by John…

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#### Apr 2: Statistics in Practice – Special Epi Course

In this special Brief we step back and look at various estimates of the projected death toll from the coronavirus.   Would you like to learn more about the statistical analysis of disease?  We’re offering a special self-paced course to those seeking to improve their knowledge…

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#### Coronavirus Death Toll

There are tens of thousands of epidemiologists the world over, and we are beginning to see a bumper crop of forecasts for the ultimate 2020 death toll from Covid-19.  It’s a grim but important forecasting task. Most citizens would support draconian measures to prevent deaths…

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