What does backshift mean?
Definitions for backshift
back·shift
This dictionary definitions page includes all the possible meanings, example usage and translations of the word backshift.
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Wiktionary
backshiftnoun
The changing of the tense of a verb from present to past in reported speech.
backshiftnoun
A function on a whose value on any random variable is the preceding random variable in the process.
backshiftverb
To change the tense of a verb from present to past in reported speech.
Wikipedia
backshift
In time series analysis, the lag operator (L) or backshift operator (B) operates on an element of a time series to produce the previous element. For example, given some time series X = { X 1 , X 2 , … } {\displaystyle X=\{X_{1},X_{2},\dots \}} then L X t = X t − 1 {\displaystyle LX_{t}=X_{t-1}} for all t > 1 {\displaystyle t>1} or similarly in terms of the backshift operator B: B X t = X t − 1 {\displaystyle BX_{t}=X_{t-1}} for all t > 1 {\displaystyle t>1} . Equivalently, this definition can be represented as X t = L X t + 1 {\displaystyle X_{t}=LX_{t+1}} for all t ≥ 1 {\displaystyle t\geq 1} The lag operator (as well as backshift operator) can be raised to arbitrary integer powers so that L − 1 X t = X t + 1 {\displaystyle L^{-1}X_{t}=X_{t+1}} and L k X t = X t − k . {\displaystyle L^{k}X_{t}=X_{t-k}.}
Numerology
Chaldean Numerology
The numerical value of backshift in Chaldean Numerology is: 2
Pythagorean Numerology
The numerical value of backshift in Pythagorean Numerology is: 7
Translations for backshift
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"backshift." Definitions.net. STANDS4 LLC, 2024. Web. 3 May 2024. <https://www.definitions.net/definition/backshift>.
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