skewness


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Related to skewness: standard deviation, kurtosis

skew

 (skyo͞o)
v. skewed, skew·ing, skews
v.tr.
1. To turn or place at an angle: skew the cutting edge of a plane.
2. To give a bias to; distort: The use of a limited sample skewed the findings of the study.
v.intr.
1. To take an oblique course or direction.
2. To look obliquely or sideways.
3. To display a statistical tendency toward: a television program that skews toward teenagers.
adj.
1. Placed or turned to one side; asymmetric.
2. Distorted or biased in meaning or effect.
3. Having a part that diverges, as in gearing.
4.
a. Mathematics Neither parallel nor intersecting. Used of straight lines in space.
b. Statistics Not symmetrical about the mean. Used of distributions.
n.
An oblique or slanting movement, position, or direction.

[Middle English skewen, to escape, run sideways, from Old North French eskiuer, of Germanic origin.]

skew′ness n.

skewness

(ˈskjuːnɪs)
n
1. the quality or condition of being skew
2. (Statistics) statistics a measure of the symmetry of a distribution around its mean, esp the statistic B1 = m3/(m2)3/2, where m2 and m3 are respectively the second and third moments of the distribution around the mean. In a normal distribution, B1 = 0. See kurtosis

skew•ness

(ˈskyu nɪs)

n. Statistics.
1. asymmetry in a frequency distribution.
2. a measure of such asymmetry.
[1890–95]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.skewness - an oblique or slanting asymmetry
asymmetry, dissymmetry, imbalance - (mathematics) a lack of symmetry
References in periodicals archive ?
The model also explains the skewness towards myopia of the distribution of refractive errors.
The statistical texture features of mean, standard deviation, skewness and kurtosis are calculated by using the probability distribution of the intensity levels in the histogram bins of the histograms.
Given the skewness crossing a range of fields structure is designed as a steel girder with a lower deck and reinforced arch middle field.
The skewness and kurtosis coefficients were calculated, and according to the values of these coefficients the distributions of F, H, and Dm showed small discrepancies from normality; these discrepancies were significant for Ie.
Mean, Median, Mode, & Skewness and Kurtosis) is also an easy and good way to check the normality.
Descriptive statistics include frequency distributions and percentiles, mean, standard deviation, range of scores, skewness, and kurtosis.
For those regions with five or more hospitals, we calculated the skewness as a measure of symmetry of the distribution of SCIP scores within each HRR to describe whether the majority of hospitals in each region were skewed toward the higher or lower performing hospitals.
The measure of skewness provides information on how each variable is distributed around the mean and introduces the first statistical test in this analysis.
The exponentially modified Gaussian function is a reliable generalization that accounts for skewness in the peak shape since it is characterized by a non-zero third moment.
Furthermore, Table 2 also shows that the new portfolio's skewness reduces from 0.
The skewness of all analysed geometric quality indexes of the aggregate is [g.