outlier

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Related to Extreme outlier: Mild outlier

outlier

 [out´li-er]
an observation so distant from the central mass of the data that it noticeably influences results and must be carefully checked to ensure it is not an error.

out·li·er

(owt'lē-ĕr),
An observation that differs so widely from all others in a set as to justify the conclusion that a gross error has occurred or that it comes from a different population.

outlier

/out·li·er/ (out´li-er) an observation so distant from the central mass of the data that it noticeably influences results.

outlier

1 (in managed care) a case in which costs exceed the allowable amount for the specific diagnosis or treatment. The outlier amount is typically specified in advance in the contract between the provider and payer.
2 (in research) an observation that differs from all others, suggesting that a gross error has occurred in sampling, measurement, or analysis.

outlier

Any value outside of an expected range.

outlier

Managed care A Pt who falls outside of the norm–ie, who has an extremely long length of hospital stay or has incurred extraordinarily high costs. See Extreme outlier, High mortality outlier.

out·li·er

(owt'lī-ĕr)
1. Deviant values or figures that are obviously from a different population than those from the rest of the sample.
2. Additions to an estimated cost of delivered services when exceeding a fixed loss threshold.

outlier

an extremely high or low value lying beyond the range of the bulk of the data.
References in periodicals archive ?
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.
In Task 3, participants reported the class in which the highest number of extreme outliers occurred (Figure 7).
This conservative approach identified outliers that may have a significant clinical impact and corresponded to the most extreme outliers in Fig.
In a Microsoft blog, Shum called Google's accusation "a spy-novelesque stunt to generate extreme outliers in tail query ranking" that doesn't accurately portray how Microsoft uses "opt-in customer data" to fine-tune its search experience.
Standard CPI is the traditional measure for inflation, but a few extreme outliers (such as the price of fuel) can throw off the average; thus the median is a more robust statistic to estimate the central tendency in the data.
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.
Extreme outliers were dampened by making a rate four times that of natural fertility (44.