What do I get from choosing a cutoff point and calculating the confusion matrix? What is the difference really when I choose a cutoff value of 0.05 as opposed to say 0.8?
For diagnostic or screening tests that have continuous results (measured on a scale), cut-off values are the dividing points on measuring scales where the test results are divided into different categories; typically positive (indicating someone has the condition of interest), or negative (indicating someone does not have the condition of interest).
For diagnostic or screening tests that have continuous results (measured on a scale), cut-off values are the dividing points on measuring scales where the test results are divided into different categories; typically positive (indicating someone has the condition of interest), or negative (indicating someone does not have the condition of interest).