What are fnr mnr bnr?

FNR, MNR, and BNR are abbreviations commonly used in various fields, often standing for specific terms. In the context of machine learning and classification, they can refer to False Negative Rate (FNR), Missed Negative Rate (MNR), and Balanced Negative Rate (BNR). FNR measures the proportion of actual positives that were incorrectly identified as negatives, while MNR and BNR can vary in definition depending on the specific application or domain. It's essential to clarify the context to understand their precise meanings.