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Home Blog Oct 20: Statistics in Practice

Oct 20: Statistics in Practice

Statistics in Practice

In our Briefing this week, we revisit a topic we looked at a while ago, the epidemiology of gang activity in El Salvador, and look at the impact of Covid. Our spotlight is on:

Oct 30 – Nov 27:  Sample Size and Power Determination  

See you in class!

Peter Bruce

Founder, Author, and Senior Scientist

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Gangs and Covid

Some time ago, I chatted with Dr. Carlos Carcach about how epidemiological and cancer models might help us understand the activity of gangs in El Salvador. Re-reading that blog made me wonder how an actual epidemic has affected gang […]


Headline of the Day

Biology and Behavior Put Men at Higher Risk of Dying 

(Washington Post, 10/19/20)

The headline suggests the tantalizing prospect of immortality,  but the story itself disappoints, making clear that the Post is talking about dying from Covid.


Student Spotlight

Suma Krishnaprasad

Suma Krishnaprasad was the first data scientist hired at Cleveland Clinic Abu Dhabi. She works to develop and deploy predictive models, and also to provide statistical design and analysis for dozens of clinical trials and other research projects. She came to the Institute for Statistics Education initially for a number of courses in biostatistics, then enrolled in the Analytics for Data Science certificate program. She came to us to refresh her statistical knowledge, to better position herself in her pioneering role at the Clinic. Among the courses she took was our Sample Size and Power Determination course, which helped her understand when to apply which technique, and gave her greater confidence in calculating sample sizes for the Clinic’s studies.


Course Spotlight

Oct 30 – Nov 27:  Sample Size and Power Determination

How many cases/subjects should you have in your study?  The answer depends on several factors: 

  • How big an effect you are looking for
  • What level of power you seek
  • What significant level you seek
  • How much variability there is in the data 

Learn how they interact with each other, how to specify their values, and how to use those values to calculate sample size.  

See you in class!


Certificate Spotlight

Biostatistics

This online certificate program in biostatistics and epidemiology provides the skills needed to gather, analyze, and assess data for activities like clinical trials, medical research, and public health studies. This ten course program – including seven required courses and three electives – covers the critical statistical concepts used in medical and health sciences.

This certificate offers a path to college credit – via the American Council on Education – to other institutions in the U.S. It offers approximately 28 credits in this way; compare to a Master’s degree program in biostatistics.

See you in class!


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Digital badges provide employers and peers concrete evidence of what you have learned and the skills required to earn your credential. Each badge’s digital image holds verified metadata describing your qualifications and the mastery required to earn them.


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