We are receiving a lot of questions about relevant analyses in the Analyse-it Method Validation edition to help in evaluating new diagnostic tests in the fight against COVID-19. Below are some quick links that will help, but contact us if you have questions - we are working as normal.
Also see our latest blog post: Sensitivity/Specificity and The Importance of Predictive Values for a COVID-19 test
Contingency analysis study requirements and dataset layout.
Use a column for each variable (Eye color, Hair color); each row has the values of the variables.
Use a column for each variable (Eye color, Hair color) and a column for the number of cases (Frequency); each row has the values of the variables and the frequency count.