Outlier

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Outlier

A data point significantly different from others in the same set. An outlier is generally due to statistical noise and not to any fundamental difficulty with the data set. Taking the mean and median values of a data set can help reduce the influence of outliers. They are also called outlying observations.
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Humber Summit highlighted in red for the "Local Employment" indicator boxplot (before extreme outlier removal)
The virus A/duck/Vietnam/NCVD-664/2010 that carried the H275Y mutation was predictably identified as an extreme outlier for peramivir with a 415-fold increase in [IC.
All failed grades for PC and PS assays were extreme outliers, which was similar to the AT assay and suggested accurate grading.
As the MS is the third filter, it is not likely to be affected by extreme outliers.
It should also be noted that often in practice, a dataset becomes skewed due to the presence of a few extreme outliers and /or mixture samples with varying degree of contamination.
5-3 box lengths from the upper or lower edge of the box and the *'s denote values that are extreme outliers (more than three box lengths).
Chile and the Philippines had been much more democratic than "expected" on the basis of their relatively low level of socio-economic development, while Spain, Portugal and Saudi Arabia were the most extreme outliers in the opposite direction.
Although the present experiment focused on the assessment of correlation in displays purposefully constructed to be free of major violations of homoscedasticity, such as those caused by large groupings of extreme outliers, our informal observations of auditory scatterplots involving gross departures from bivariate normality suggest that the ears detect such features well.
Extreme outliers were dampened by making a rate four times that of natural fertility (44.
Another model, containing counts of billed CRVS procedure codes from medical and surgical providers rather than counts of procedural visits, slightly reduced the number of extreme outliers but did not improve the overall [R.
While a lower P/S ratio is generally thought to be better than a higher P/S ratio, the cut off at 3 helps exclude extreme outliers while at the same time giving enough room to ride the momentum of the stocks being found.