Time Series Analysis

A time series is a sequence of observations collected at regular intervals over a period of time, such as the number of churches built between 1950 and 2018 in China, the amount of cases of religiously related conflicts in the world per month, or the weekly expenditure of a church. A time series can be denoted as X1, X2, …, Xt, where X refers to the observation value and t refers to the time interval. What follows presupposes some knowledge of the fundamentals of statistics; readers who wish to conduct time series analysis are advised to consult the sources listed in the Further Readings section.

The most common concern about time series data is to avoid the dependence between adjacent observations and thus go against the ...

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