An equation for the random walk model is given by the equation: 
,where 
is the change in the time series from time t to time t - 1, 
is a constant,and 
is a random variable (noise)with mean 0 and some standard deviation 
.
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A term typically related to a period of time, such as the duration of an undergraduate degree or the length of certain contracts.
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The act of unlawfully altering or fabricating documents or records, often for deceptive purposes.
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The act of hiding or failing to disclose assets to avoid legal responsibilities or to deceive creditors or other parties.
Willful Injury
Intentional harm caused by one person to another, not through negligence or accident but with the purpose of inflicting damage.
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