different between variance vs skew
variance
English
Alternative forms
- variaunce (obsolete)
- var (abbreviation)
Etymology
From Middle English variance, variaunce, from Old French variance or directly from Anglo-Latin variaunce, veriaunce, wariaunce; all from Latin variantia.
Pronunciation
- (UK) IPA(key): /?v???i.?ns/
- (US) IPA(key): /?væ?i.?nts/ (Mary–marry–merry distinction)
- (US) IPA(key): /?v??i.?nts/ (Mary–marry–merry merger)
Noun
variance (countable and uncountable, plural variances)
- The act of varying or the state of being variable.
- A difference between what is expected and what is observed; deviation.
- The state of differing or being in conflict.
- An official permit to do something that is ordinarily forbidden by regulations.
- (law) A discrepancy between two legal documents.
- (law) A departure from a cause of action originally in a complaint.
- (statistics) The second central moment in probability.
- (physics, chemistry, biology) The number of degrees of freedom in a system.
- (computing, programming) Covariance and contravariance generally.
- Depending on the variance of the type constructor, the subtyping relation of the simple types may be either preserved, reversed, or ignored for the respective complex types.
Derived terms
Translations
French
Etymology
From Latin variantia.
Pronunciation
- IPA(key): /va.?j??s/
- Rhymes: -??s
Noun
variance f (plural variances)
- variance
Further reading
- “variance” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).
variance From the web:
- what variances should be investigated
- what variance tells us
- what variance mean
- what variance is high
- what variance is acceptable
- what variance and standard deviation
- what variance analysis
- what variance shows
skew
English
Pronunciation
- (Received Pronunciation) IPA(key): /skju?/
- (General American) IPA(key): /skju/
- Rhymes: -u?
- Homophone: SKU
Alternative forms
- skeugh
Etymology 1
The verb is derived from Middle English skeuen, skewe, skewen (“to run at an angle or obliquely; to escape”), from Old Northern French escuer [and other forms], variants of Old French eschuer, eschever, eschiver (“to escape, flee; to avoid”) (modern French esquiver (“to dodge (a blow), duck; to elude, evade; to slip away; to sidestep”)), from Frankish *skiuhan (“to dread; to avoid, shun”), from Proto-Germanic *skiuhijan? (“to frighten”). The English word is cognate with Danish skæv (“crooked, slanting; skew, wry”), Norwegian skjev (“crooked, lopsided; oblique, slanting; distorted”), Saterland Frisian skeeuw (“aslant, slanting; oblique; awry”), and is a doublet of eschew.
The adjective and adverb are probably derived from the verb and/or from askew, and the noun is derived from either the adjective or the verb.
Verb
skew (third-person singular simple present skews, present participle skewing, simple past and past participle skewed)
- (transitive) To form or shape in an oblique way; to cause to take an oblique position.
- Antonym: unskew
- (statistics) To cause (a distribution) to be asymmetrical.
- (transitive) To bias or distort in a particular direction.
- (transitive, Northumbria, Yorkshire) To hurl or throw.
- Synonyms: see Thesaurus:throw
- (intransitive) To move obliquely; to move sideways, to sidle; to lie obliquely.
- (intransitive) To jump back or sideways in fear or surprise; to shy, as a horse.
- (intransitive) To look at obliquely; to squint; hence, to look slightingly or suspiciously.
Derived terms
Translations
Adjective
skew (not generally comparable, comparative skewer or more skew, superlative skewest or most skew)
- (not comparable) Neither parallel nor at right angles to a certain line; askew.
- (not comparable, geometry) Of two lines in three-dimensional space: neither intersecting nor parallel.
- (comparable, statistics) Of a distribution: asymmetrical about its mean.
Derived terms
Translations
Adverb
skew (comparative more skew, superlative most skew)
- (rare) Askew, obliquely; awry.
Noun
skew (plural skews)
- Something that has an oblique or slanted position.
- An oblique or sideways movement.
- A squint or sidelong glance.
- A kind of wooden vane or cowl in a chimney which revolves according to the direction of the wind and prevents smoking.
- A piece of rock lying in a slanting position and tapering upwards which overhangs a working-place in a mine and is liable to fall.
- A bias or distortion in a particular direction.
- (electronics) A phenomenon in synchronous digital circuit systems (such as computers) in which the same sourced clock signal arrives at different components at different times.
- (statistics) A state of asymmetry in a distribution; skewness.
Derived terms
- on the skew
- skewness
Translations
Etymology 2
From Middle English skeu, skew (“stone with a sloping surface forming the slope of a gable, offset of a buttress, etc.”) [and other forms], from Anglo-Norman eschu, escuwe, eskeu, or Old Northern French eschieu, eskieu, eskiu, from Old French escu, escut, eschif (“a shield”) (modern French écu), from Latin sc?tum (“a shield”), from Proto-Indo-European *skewH- (“to cover, protect”) or *skey- (“to cut, split”).
Noun
skew (plural skews)
- (architecture) A stone at the foot of the slope of a gable, the offset of a buttress, etc., cut with a sloping surface and with a check to receive the coping stones and retain them in place; a skew-corbel.
- (chiefly Scotland, architecture) The coping of a gable.
- (architecture, obsolete) One of the stones placed over the end of a gable, or forming the coping of a gable.
Translations
Notes
References
Further reading
- clock skew on Wikipedia.Wikipedia
- skew lines on Wikipedia.Wikipedia
- skew (disambiguation) on Wikipedia.Wikipedia
Middle English
Pronunciation
- IPA(key): /skiu?/
- Rhymes: -iu?
Etymology 1
From an earlier form of Old Norse ský, from Proto-Germanic *skiwj?; doublet of sky.
Alternative forms
- skiw, skue, skyw, skewe, skwe, skiu, scue, schew
Noun
skew (plural skewes)
- sky, air
- (rare) cloud
References
- “skeu, n.(1).”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007, retrieved 2019-07-23.
Etymology 2
From Old French escu, from Latin sc?tum.
Alternative forms
- scuwe, skyu, scheu, skyew, scu
Noun
skew (plural skewes)
- A segment of carved stone to cover a gable with.
References
- “skeu, n.(2).”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007, retrieved 2019-07-23.
skew From the web:
- what skewness is normal
- what skewed means
- what skews data
- what skewness is acceptable
- what skewness and kurtosis is acceptable
- what skewers to use for kabobs
- what skew is the chi-square distribution
- what skewness is considered normal
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