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Multilingual Demographic Dictionary, second unified edition, English volume

Difference between revisions of "Cyclical fluctuation"

Multilingual Demographic Dictionary, second unified edition, English vol.
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(Eugen Grebenik et al., first edition 1958)
 
(Etienne van de Walle et al., second 1982 edition)
 
(2 intermediate revisions by the same user not shown)
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#REDIRECT[[periodic fluctuations]]<!--'''cyclical fluctuation'''-->
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<!--'''cyclical fluctuation'''-->
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{{TextTerms|S=150|P=15|Ed=II|CompleteIndexTerm=(CYCLICAL fluctuation)| content=
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 +
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 +
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 +
TofT|Lang=fr|Ed=II|N=3|Te=variation}}{{
 +
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 +
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TofT|Lang=ja|Ed=II|N=3|Te=変動}}{{
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 +
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 +
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 +
TofT|Lang=ru|Ed=II|N=3|Te=Колебания}}{{
 +
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 +
TofT|Lang=ru|Ed=II|N=3|SubN=3|Te=Девиации}}{{
 +
TofT|Lang=zh|Ed=II|N=3|Color=yes|Te=波动}}{{
 +
TofT|Lang=zh|Ed=II|N=3|SubN=2|Te=变动}}{{
 +
TofT|Lang=zh|Ed=II|N=3|SubN=3|Te=离差}}
 +
{{NewLineT|S=150|N=4}} {{
 +
TofT|Lang=en|Ed=II|N=4|Color=yes|Te=cyclical fluctuation}}{{
 +
TofT|Lang=en|Ed=II|N=4|SubN=2|Te=period fluctuation}}{{
 +
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 +
TofT|Lang=cs|Ed=II|N=4|Color=yes|Te=cyklické kolísání}}{{
 +
TofT|Lang=de|Ed=II|N=4|Te=zyklische Schwankung}}{{
 +
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 +
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 +
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 +
TofT|Lang=fr|Ed=II|N=4|SubN=2|Te=mouvement cyclique}}{{
 +
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 +
TofT|Lang=it|Ed=II|N=4|SubN=2|Te=variazione periodica}}{{
 +
TofT|Lang=it|Ed=II|N=4|SubN=3|Te=variazione ciclica}}{{
 +
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 +
TofT|Lang=ja|Ed=II|N=4|SubN=2|Te=周期的変動}}{{
 +
TofT|Lang=pt|Ed=II|N=4|Color=yes|Te=flutuações cíclicas}}{{
 +
TofT|Lang=pt|Ed=II|N=4|SubN=2|Te=flutuações periódicas}}{{
 +
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 +
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 +
TofT|Lang=zh|Ed=II|N=4|Color=yes|Te=循环波动}}{{
 +
TofT|Lang=zh|Ed=II|N=4|SubN=2|Te=周期性波动}}
 +
{{NewLineT|S=150|N=5}} {{
 +
TofT|Lang=en|Ed=II|N=5|Color=yes|Te=seasonal fluctuations}}{{
 +
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 +
TofT|Lang=ar|Ed=II|N=5|SubN=2|Te=تقلبات موسمية}}{{
 +
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 +
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 +
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 +
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TofT|Lang=fr|Ed=II|N=5|SubN=2|Te=variation saisonnière}}{{
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TofT|Lang=it|Ed=II|N=5|Color=yes|Te=movimenti stagionali}}{{
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 +
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 +
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 +
TofT|Lang=zh|Ed=II|N=5|Color=yes|Te=季节性波动}}
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{{NewLineT|S=150|N=6}} {{
 +
TofT|Lang=en|Ed=II|N=6|Color=yes|Te=irregular fluctuation}}{{
 +
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 +
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 +
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 +
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 +
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 +
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 +
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 +
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 +
TofT|Lang=it|Ed=II|N=6|SubN=2|Te=variazioni residue}}{{
 +
TofT|Lang=it|Ed=II|N=6|SubN=3|Te=variazioni residuali}}{{
 +
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 +
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 +
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 +
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 +
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 +
{{NewLineT|S=150|N=7}} {{
 +
TofT|Lang=en|Ed=II|N=7|Color=yes|Te=chance fluctuations}}{{
 +
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 +
TofT|Lang=ar|Ed=II|N=7|Te=تقلب مصادفة}}{{
 +
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 +
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 +
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 +
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 +
TofT|Lang=ja|Ed=II|N=7|SubN=2|Te=無作為変動}}{{
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TofT|Lang=pt|Ed=II|N=7|Color=yes|Te=flutuações aleatórias}}{{
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TofT|Lang=pt|Ed=II|N=7|SubN=2|Te=variações aleatórias}}{{
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TofT|Lang=ru|Ed=II|N=7|Te=Случайные отклонения}}{{
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TofT|Lang=zh|Ed=II|N=7|Color=yes|Te=偶然性波动}}{{
 +
TofT|Lang=zh|Ed=II|N=7|SubN=2|Te=随机性波动}}|
 +
Lang=en|Lang2=ar|Lang3=cs|Lang4=de|Lang5=es|Lang6=fr|Lang7=it|Lang8=ja|Lang9=pt|Lang10=ru|Lang11=zh}}
 +
 
 +
{{Gallery
 +
| caption={{Lang_audio_pronunciation_-en}}
 +
| width=100
 +
| height=20
 +
| lines=3
 +
|150_1_1_en_II Time series.ogg|'''time series'''
 +
|150_2_1_en_II Trend.ogg|'''trend'''
 +
|150_3_1_en_II Fluctuation.ogg|'''fluctuation'''
 +
|150_3_2_en_II Variation.ogg|'''variation'''
 +
|150_3_3_en_II Deviation.ogg|'''deviation'''
 +
|150_4_1_en_II Cyclical fluctuation.ogg|'''cyclical fluctuation'''
 +
|150_4_2_en_II Period fluctuation.ogg|'''period fluctuation'''
 +
|150_5_1_en_II Seasonal fluctuations.ogg|'''seasonal fluctuations'''
 +
|150_6_1_en_II Irregular fluctuation.ogg|'''irregular fluctuation'''
 +
|150_7_1_en_II Chance fluctuations.ogg|'''chance fluctuations'''
 +
|150_7_2_en_II Random fluctuations.ogg|'''random fluctuations'''
 +
}}
 +
 
 
<noinclude>
 
<noinclude>
[[Category:Term of the first edition of the multilingual demographic Dictionary (redirect)]]
+
[[en-II:cyclical fluctuation]] [[ar-II:حركة دورية]] [[cs-II:cyklické kolísání]] [[de-II:zyklische Schwankung]] [[es-II:fluctuación cíclica]] [[fr-II:mouvement périodique]] [[it-II:andamento periodico]] [[ja-II:循環変動]] [[pt-II:flutuações cíclicas]] [[ru-II:Циклические колебания]] [[zh-II:循环波动]]  
[[Category:15]]</noinclude>
+
</noinclude>
 +
{{DEFAULTSORT:Cyclical fluctuation}}
 
<noinclude>
 
<noinclude>
[[Category:Term of the first edition of the multilingual demographic Dictionary]]
+
[[Category:Term of the second edition of the multilingual demographic Dictionary]]
 
[[Category:General concepts]]
 
[[Category:General concepts]]
 
[[Category:15]]
 
[[Category:15]]
 
</noinclude>
 
</noinclude>

Latest revision as of 05:03, 5 February 2010

Cyclical fluctuation  (CYCLICAL fluctuation)


When values of a demographic variable are available over time, a demographic time series 1 is obtained. It is sometimes possible to decompose a time series into a trend 2 around which there are fluctuations 3, variations 3, or deviations 3 (141-2). Where such fluctuations tend to recur after certain periods, usually several years, they are called cyclical fluctuations 4 or, more generally, period fluctuations 4. In demography the most common period for compiling data is a year, and the fluctuations in sub-periods of a year are called seasonal fluctuations 5. The fluctuations that remain after trend, cyclical, and seasonal fluctuations have been eliminated are called irregular fluctuations 6. They may be due to exceptional factors such as wartime mobilization, or sometimes they are chance fluctuations 7 or random fluctuations 7.

  • 3. In a general sense the term variation may be used to describe change in any value or set of values for a variable.
  • 4. Periodic, adj. - period, n. - periodicity, n. cyclical, adj. - cycle, n.
  • 7. Random, adj.: due to chance (cf. 161-1).

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