Start learning 50% faster. Sign in now
Differencing is a common technique used to ensure stationarity in time series data. A stationary time series has constant mean, variance, and autocovariance over time. Differencing involves subtracting the previous observation from the current one, which helps remove trends and seasonality from the data. This technique makes the data more stationary and thus suitable for time series modeling techniques like ARIMA, which assume that the underlying data is stationary. The first difference of a time series typically removes linear trends, and higher-order differencing can address more complex patterns. Why Other Options Are Incorrect: • A: Removing outliers is a data cleaning technique but does not directly address the stationarity of time series data. • B: Normalization adjusts the scale of the data but does not make the series stationary. • D: Transforming data into a different distribution may be useful for other purposes but is not primarily used to achieve stationarity. • E: Moving averages smooth the data but do not ensure stationarity, as they do not directly remove trends or seasonality.
Who is the Chairperson of District Consumer Protection Council?
Which section of SARFAESI Act provides for registration of asset reconstruction company?
The plea can succeed only if it is shown that the accused was so far away at the relevant time that he could not be present at the place where the crime...
What is the minimum number of members in a public company_______________
When there is uninterrupted access and use of light or air to and for any building have been peaceably enjoyed as an easement over a property belonging ...
As per the Banking Regulation Act which of the following statements relating to the acquisition of qualification shares by managing directors of a banki...
Are official communications protected under the Indian Evidence Act, 1872? If yes, under which section?
Which of the following articles deal with Fundamental Rights?
The holder must allow the drawee of a bill of exchange ……….. to consider whether he will accept it or not.
Admission in civil cases is: