False positive rate False positive rate In statistics, when performing multiple comparisons, a false positive ratio (or false alarm ratio) is the probability of falsely rejecting the null hypothesis for a particular test. The false positive rate is calculated as the ratio between the number of negative events wrongly categorized as positive (false positives) and the total number of actual negative events (regardless of classification). The false positive rate (or "false alarm rate") usually refers to the expectancy of the false positive ratio. The false positive rate is formula_1 where FP is the number of false positives, TN is the number of true
Midfielder attack. The holding midfielder may also have responsibilities when their team has the ball. This player will make mostly short and simple passes to more attacking members of their team but may try some more difficult passes depending on the team's strategy. Marcelo Bielsa is considered as a pioneer for the use of a holding midfielder in defence. This position may be seen in the 4–2–3–1 and 4–4–2 diamond formations. Initially, a defensive midfielder, or "destroyer", and a playmaker, or "creator", were often fielded alongside each other as a team's two holding central midfielders. The destroyer was usually responsible for