Interpretation of the Confusion Matrix

Actual Positive, Predicted Positive = TP Actual Positive, Predicted Negative = FN Actual Negative, Predicted Negative = TN Actual Negative, Predicted Positive = FP We know from the sample, Actual Positive = TP + FN Actual Negative = TN + FP Prevalence: If the sample can present the population, then prevalence is the ratio: Actual …

The logic behind the hypothesis Testing and p value

The logic behind the hypothesis testing There are two ways to prove your research hypothesis. For example, you want to prove the average grade of English class is higher than 60. You can prove it directly if you have all the information about your interested population. For example, if you are interested in the average …