(T)error

(T)ERROR is an American 2015 documentary film directed by Lyric R. Cabral and David Felix Sutcliffe. The film follows undercover FBI informant Saeed "Shariff" Torres as he engages in a sting operation targeting a white Muslim man named Khalifah Ali Al-Akili. The film won the Special Jury Award for Breakout First Feature at the 2015 Sundance Film Festival, where it premiered.

It is the first documentary to follow an active FBI case while in progress. This is the first film for Cabral and the second for Sutcliffe. Sutcliffe said the film's intention was to show informants and their targets, and focus on the "decisions, tactics and objectives of counterterrorism cases."

The film was renamed FBI Undercover when broadcast in the UK by the BBC as part of the Storyville series.

Background

Co-director Cabral was a student living in Harlem when her downstairs neighbor of four years, Saeed Torres, disappeared in May 2005. Cabral's investigation into his disappearance eventually became the subject of her film. Shortly before Torres' disappearance, Sutcliffe and Cabral met at an afterschool arts program, where one of their students, Adama Bah, a 16-year-old Muslim teenage girl was arrested by the FBI and accused of being a "potential" suicide bomber. Her arrest triggered a growing interest for both Cabral and Sutcliffe in the FBI's counterterrorism tactics, and an increasing awareness of the central role of informants in the majority of domestic terror plots.

Approximation error

The approximation error in some data is the discrepancy between an exact value and some approximation to it. An approximation error can occur because

In the mathematical field of numerical analysis, the numerical stability of an algorithm in numerical analysis indicates how the error is propagated by the algorithm.

Formal Definition

One commonly distinguishes between the relative error and the absolute error.

Given some value v and its approximation v_approx, the absolute error is

where the vertical bars denote the absolute value. If the relative error is

and the percent error is

In words, the absolute error is the magnitude of the difference between the exact value and the approximation. The relative error is the absolute error divided by the magnitude of the exact value. The percent error is the relative error expressed in terms of per 100.

Error (baseball)

In baseball statistics, an error is an act, in the judgment of the official scorer, of a fielder misplaying a ball in a manner that allows a batter or baserunner to advance one or more bases or allows an at bat to continue after the batter should have been put out.

The term error can also refer to the play during which an error was committed.

Relationship to other statistical categories

An error does not count as a hit but still counts as an at bat for the batter unless, in the scorer's judgment, the batter would have reached first base safely but one or more of the additional base(s) reached was the result of the fielder's mistake. In that case, the play will be scored both as a hit (for the number of bases the fielders should have limited the batter to) and an error. However, if a batter is judged to have reached base solely because of a fielder's mistake, it is scored as a "hit on error," and treated the same as if a batter was put out, hence lowering his batting average.

Error (disambiguation)

An error is a mistake.

Error may also refer to:

Science

Music

Other uses

See also