Posts Tagged ‘ Coronavirus ’

What does ‘flatten the curve’ mean? To which curve does it apply?

May 6, 2020
By
What does ‘flatten the curve’ mean? To which curve does it apply?

During this coronavirus pandemic, there are many COVID-related graphs and curves in the news and on social media. The public, politicians, and pundits scrutinize each day's graphs to determine which communities are winning the fight against coronavirus. Interspersed among these many graphs is the oft-repeated mantra, "Flatten the curve!" As

The post Read more »

Tags: , , ,
Posted in SAS | Comments Off on What does ‘flatten the curve’ mean? To which curve does it apply?

Visualize the case fatality rate for COVID-19 in US counties

April 22, 2020
By
Visualize the case fatality rate for COVID-19 in US counties

A previous article describes the funnel plot (Spiegelhalter, 2005), which can identify samples that have rates or proportions that are much different than expected. The funnel plot is a scatter plot that plots the sample proportion of some quantity against the size of the sample. The variance of the sample

The post Read more »

Tags: , , ,
Posted in SAS | Comments Off on Visualize the case fatality rate for COVID-19 in US counties

Use a funnel plot to visualize rates: The case fatality rate for COVID-19 in North Carolina counties

April 20, 2020
By
Use a funnel plot to visualize rates: The case fatality rate for COVID-19 in North Carolina counties

Death is always a difficult topic to discuss, and death has been in the news a lot during this tragic coronavirus pandemic. Many news stories focus on states, counties, or cities that have the most cases or the most deaths. A related statistic is the case fatality rate, which is

The post Read more »

Tags: , , ,
Posted in SAS | Comments Off on Use a funnel plot to visualize rates: The case fatality rate for COVID-19 in North Carolina counties

On reducing the spread of coronavirus

April 8, 2020
By
On reducing the spread of coronavirus

Every day we face risks. If we drive to work, we risk a fatal auto accident. If we eat red meat and fatty foods, we risk a heart attack. If we go out in public during a pandemic, we risk contracting a disease. A logical response to risk is to

The post Read more »

Tags: , ,
Posted in SAS | Comments Off on On reducing the spread of coronavirus

Estimates of doubling time for exponential growth

April 1, 2020
By
Estimates of doubling time for exponential growth

During an epidemic, such as the coronavirus pandemic of 2020, the media often shows graphs of the cumulative numbers of confirmed cases for different countries. Often these graphs use a logarithmic scale for the vertical axis. In these graphs, a straight line indicates that new cases are increasing at an

The post Read more »

Tags: , , ,
Posted in SAS | Comments Off on Estimates of doubling time for exponential growth

Welcome!

SAS-X.com offers news and tutorials about the various SAS® software packages, contributed by bloggers. You are welcome to subscribe to e-mail updates, or add your SAS-blog to the site.

Sponsors







Dear readers, proc-x is looking for sponsors who would be willing to support the site in exchange for banner ads in the right sidebar of the site. If you are interested, please e-mail me at: tal.galili@gmail.com
SAS and all other SAS Institute Inc. product or service names are registered trademarks or trademarks of SAS Institute Inc. in the USA and other countries. ® indicates USA registration.