Concept information
Terme préférentiel
stationary process
Définition(s)
- In mathematics and statistics, a stationary process (or a strict/strictly stationary process or strong/strongly stationary process) is a stochastic process whose unconditional joint probability distribution does not change when shifted in time. Consequently, parameters such as mean and variance also do not change over time. If you draw a line through the middle of a stationary process then it should be flat; it may have 'seasonal' cycles, but overall it does not trend up nor down. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Stationary_process)
Concept(s) générique(s)
Traductions
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français
URI
http://data.loterre.fr/ark:/67375/MDL-RCJGFJ25-4
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