The Demopædia Encyclopedia on Population is under heavy modernization and maintenance. Outputs could look bizarre, sorry for the temporary inconvenience

Difference between revisions of "Periodic fluctuations"

From Demopædia
Jump to: navigation, search
(Eugen Grebenik et al., first edition 1958)
(Eugen Grebenik et al., first edition 1958)
 
(One intermediate revision by the same user not shown)
Line 3: Line 3:
 
{{NewLineT|S=150|N=1}} {{
 
{{NewLineT|S=150|N=1}} {{
 
TofT|Lang=en|Ed=I|N=1|Color=yes|Te=time series}}{{
 
TofT|Lang=en|Ed=I|N=1|Color=yes|Te=time series}}{{
TofT|Lang=ar|Ed=I|N=1|Te=سلسلة زمنية (زمن)}}{{
+
TofT|Lang=ar|Ed=I|N=1|Te=سلسلة زمنية}}{{
 
TofT|Lang=cs|Ed=I|N=1|Color=yes|Te=časová řada}}{{
 
TofT|Lang=cs|Ed=I|N=1|Color=yes|Te=časová řada}}{{
 
TofT|Lang=de|Ed=I|N=1|Te=Zeitreihe}}{{
 
TofT|Lang=de|Ed=I|N=1|Te=Zeitreihe}}{{
Line 20: Line 20:
 
{{NewLineT|S=150|N=2}} {{
 
{{NewLineT|S=150|N=2}} {{
 
TofT|Lang=en|Ed=I|N=2|Color=yes|Te=trend}}{{
 
TofT|Lang=en|Ed=I|N=2|Color=yes|Te=trend}}{{
TofT|Lang=ar|Ed=I|N=2|Te=اتجاه عام (عام)}}{{
+
TofT|Lang=ar|Ed=I|N=2|Te=اتجاه عام}}{{
TofT|Lang=cs|Ed=I|N=2|Color=yes|Te=tendencevývoje}}{{
+
TofT|Lang=cs|Ed=I|N=2|Color=yes|Te=tendence vývoje}}{{
 
TofT|Lang=cs|Ed=I|N=2|SubN=2|Te=trend}}{{
 
TofT|Lang=cs|Ed=I|N=2|SubN=2|Te=trend}}{{
 
TofT|Lang=de|Ed=I|N=2|Te=Hauptrichtung}}{{
 
TofT|Lang=de|Ed=I|N=2|Te=Hauptrichtung}}{{
Line 46: Line 46:
 
TofT|Lang=en|Ed=I|N=3|SubN=2|Te=variation}}{{
 
TofT|Lang=en|Ed=I|N=3|SubN=2|Te=variation}}{{
 
TofT|Lang=en|Ed=I|N=3|SubN=3|Te=deviation}}{{
 
TofT|Lang=en|Ed=I|N=3|SubN=3|Te=deviation}}{{
TofT|Lang=ar|Ed=I|N=3|Te=تقلبات (تقلب)}}{{
+
TofT|Lang=ar|Ed=I|N=3|Te=تقلبات}}{{
TofT|Lang=ar|Ed=I|N=3|SubN=2|Te=تغيرات (تغير)}}{{
+
TofT|Lang=ar|Ed=I|N=3|SubN=2|Te=تغيرات}}{{
TofT|Lang=ar|Ed=I|N=3|SubN=3|Te=انحرافات (انحراف)}}{{
+
TofT|Lang=ar|Ed=I|N=3|SubN=3|Te=انحرافات}}{{
 
TofT|Lang=cs|Ed=I|N=3|Color=yes|Te=odchylka}}{{
 
TofT|Lang=cs|Ed=I|N=3|Color=yes|Te=odchylka}}{{
 
TofT|Lang=cs|Ed=I|N=3|SubN=2|Te=variace}}{{
 
TofT|Lang=cs|Ed=I|N=3|SubN=2|Te=variace}}{{
Line 78: Line 78:
 
TofT|Lang=en|Ed=I|N=4|Color=yes|Te=periodic fluctuations}}{{
 
TofT|Lang=en|Ed=I|N=4|Color=yes|Te=periodic fluctuations}}{{
 
TofT|Lang=en|Ed=I|N=4|SubN=2|Te=cyclical fluctuation}}{{
 
TofT|Lang=en|Ed=I|N=4|SubN=2|Te=cyclical fluctuation}}{{
TofT|Lang=ar|Ed=I|N=4|Te=تقلبات دورية (دور)}}{{
+
TofT|Lang=ar|Ed=I|N=4|Te=تقلبات دورية}}{{
 
TofT|Lang=cs|Ed=I|N=4|Color=yes|Te=cyklický vývoj}}{{
 
TofT|Lang=cs|Ed=I|N=4|Color=yes|Te=cyklický vývoj}}{{
 
TofT|Lang=cs|Ed=I|N=4|SubN=2|Te=periodický vývoj}}{{
 
TofT|Lang=cs|Ed=I|N=4|SubN=2|Te=periodický vývoj}}{{
Line 103: Line 103:
 
{{NewLineT|S=150|N=5}} {{
 
{{NewLineT|S=150|N=5}} {{
 
TofT|Lang=en|Ed=I|N=5|Color=yes|Te=seasonal fluctuations}}{{
 
TofT|Lang=en|Ed=I|N=5|Color=yes|Te=seasonal fluctuations}}{{
TofT|Lang=ar|Ed=I|N=5|Te=تقلبات موسمية (تقلب)}}{{
+
TofT|Lang=ar|Ed=I|N=5|Te=تقلبات موسمية}}{{
 
TofT|Lang=cs|Ed=I|N=5|Color=yes|Te=sezónní variace}}{{
 
TofT|Lang=cs|Ed=I|N=5|Color=yes|Te=sezónní variace}}{{
 
TofT|Lang=de|Ed=I|N=5|Te=jahreszeitliche Schwankungen}}{{
 
TofT|Lang=de|Ed=I|N=5|Te=jahreszeitliche Schwankungen}}{{
Line 120: Line 120:
 
{{NewLineT|S=150|N=6}} {{
 
{{NewLineT|S=150|N=6}} {{
 
TofT|Lang=en|Ed=I|N=6|Color=yes|Te=irregular fluctuation}}{{
 
TofT|Lang=en|Ed=I|N=6|Color=yes|Te=irregular fluctuation}}{{
TofT|Lang=ar|Ed=I|N=6|Te=تقلبات غير المنتظمة (غير)}}{{
+
TofT|Lang=ar|Ed=I|N=6|Te=تقلبات غير المنتظمة}}{{
TofT|Lang=ar|Ed=I|N=6|SubN=2|Te=تقلبات الشاذة (شاذ)}}{{
+
TofT|Lang=ar|Ed=I|N=6|SubN=2|Te=تقلبات الشاذة}}{{
 
TofT|Lang=cs|Ed=I|N=6|Color=yes|Te=nepravidelná variace}}{{
 
TofT|Lang=cs|Ed=I|N=6|Color=yes|Te=nepravidelná variace}}{{
 
TofT|Lang=de|Ed=I|N=6|Te=unregelmäßige Schwankungen}}{{
 
TofT|Lang=de|Ed=I|N=6|Te=unregelmäßige Schwankungen}}{{
Line 144: Line 144:
 
TofT|Lang=en|Ed=I|N=7|Color=yes|Te=chance fluctuations}}{{
 
TofT|Lang=en|Ed=I|N=7|Color=yes|Te=chance fluctuations}}{{
 
TofT|Lang=en|Ed=I|N=7|SubN=2|Te=random fluctuations}}{{
 
TofT|Lang=en|Ed=I|N=7|SubN=2|Te=random fluctuations}}{{
TofT|Lang=ar|Ed=I|N=7|Te=تقلبات صدف (تقلب)}}{{
+
TofT|Lang=ar|Ed=I|N=7|Te=تقلبات صدف}}{{
TofT|Lang=ar|Ed=I|N=7|SubN=2|Te=تقلبات عشوائية (تقلب)}}{{
+
TofT|Lang=ar|Ed=I|N=7|SubN=2|Te=تقلبات عشوائية}}{{
TofT|Lang=cs|Ed=I|N=7|Color=yes|Te=náhodný variace}}{{
+
TofT|Lang=cs|Ed=I|N=7|Color=yes|Te=náhodná variace}}{{
TofT|Lang=cs|Ed=I|N=7|SubN=2|Te=náhodný odchylka}}{{
+
TofT|Lang=cs|Ed=I|N=7|SubN=2|Te=náhodná odchylka}}{{
 
TofT|Lang=de|Ed=I|N=7|Te=zufallsartige Schwankungen}}{{
 
TofT|Lang=de|Ed=I|N=7|Te=zufallsartige Schwankungen}}{{
 
TofT|Lang=de|Ed=I|N=7|SubN=2|Te=Zufallsschwankungen}}{{
 
TofT|Lang=de|Ed=I|N=7|SubN=2|Te=Zufallsschwankungen}}{{
Line 182: Line 182:
  
 
<noinclude>
 
<noinclude>
[[en-I:periodic fluctuations]] [[ar-I:تقلبات دورية (دور)]] [[cs-I:cyklický vývoj]] [[de-I:periodische Bewegung]] [[es-I:movimiento periódico]] [[fi-I:jaksoittainen vaihtelu]] [[fr-I:mouvement périodique]] [[it-I:andamento periodico]] [[pl-I:fluktuacje periodyczne]] [[pt-I:FLUTUAÇÕES periódicas]] [[ru-I:Периодические колебания]]  
+
[[en-I:periodic fluctuations]] [[ar-I:تقلبات دورية]] [[cs-I:cyklický vývoj]] [[de-I:periodische Bewegung]] [[es-I:movimiento periódico]] [[fi-I:jaksoittainen vaihtelu]] [[fr-I:mouvement périodique]] [[it-I:andamento periodico]] [[pl-I:fluktuacje periodyczne]] [[pt-I:FLUTUAÇÕES periódicas]] [[ru-I:Периодические колебания]]  
 
</noinclude>
 
</noinclude>
 +
{{DEFAULTSORT:Periodic fluctuations}}
 
<noinclude>
 
<noinclude>
 
[[Category:Term of the first edition of the multilingual demographic Dictionary]]
 
[[Category:Term of the first edition of the multilingual demographic Dictionary]]

Latest revision as of 07:18, 11 February 2010

Periodic fluctuations  (PERIODIC fluctuations)


When the movement of a demographic variable in time is considered, a demographic time series1 is obtained. It is sometimes possible to decompose a time series into a trend2 around which there are fluctuations3, variations3 (141-1) or deviations3 (141-2). Where such fluctuations tend to recur after certain periods, they are called periodic fluctuations4 or sometimes cyclical fluctuations4, In demography the most common period is a year, and the fluctuations in sub-periods are called seasonal fluctuations5. The fluctuations that remain after trend and periodic fluctuations have been eliminated are called irregular fluctuations6. They may be due to exceptional factors, e. g. to mobilization, or sometimes they are chance fluctuations7 or random fluctuations7.
More...