Methodology & Statistics
Methodology: Epistemological Concerns
Methodology: Logical Fallacies
Methodology: Data Visualization
Methodology: Correlation and Causation
They're at it again, 2020.
They're at it again. Once more, the White House is using a bar chart to plot cumulative test numbers--without even labeling the numbers as cumulative, May 2020 ~ @CT_Bergstrom
Here's a remarkable example of a misleading visualization from a press conference, 2020
Here's a remarkable example of a misleading visualization from the 4/6 White House press conference. They are using a bar chart to show *cumulative* tests run. Looks impressive, but that linear increase means capacity is not improving! h/t @markjaggers ~ @callin_bull
Can you spot how Georgia is hiding the increase in COVID-19 cases? July 2020
In just 15 days the total number of #COVID19 cases in Georgia is up 49%, but you wouldn't know it from looking at the state's data visualization map of cases. The first map is July 2. The second is today. Do you see a 50% case increase? Can you spot how they're hiding it? ~ @andishehnouraee
How numbers that appear equitable can obscure bias
Scenario 1: The police officer stops 20 people pulling aside equal numbers of Black and white people. Of the 20 people stopped, the officer uses force against 8 of them. The police officer used force against stopped white people and stopped Black people at the same rate: 40%. But that's not the only scenario that can lead to that 40% number. Scenario 2: This time, of the 100 people the officer sees, he stops 50. But this time he is biased in whom he pulls aside...