Diagram to understand Receiver operating characteristic with sliders to change the threshold, total sample size, the two means, and the two standard deviations. Controls:
Threshold:
=
0.5
Sample size 1:
=
100
Sample size 2:
=
100
Mean of first distribution:
=
0
Mean of second distribution:
=
1
Standard deviation of first distribution:
=
1
Standard deviation of second distribution:
=
1
True positives:
False positives:
True negatives:
False negatives:
Sensitivity:
Specificity:
Positive predictive value:
Negative predictive value: