Introduction

Here we will discuss the graphical representation of time series data, called historigram. As we have discussed in the introduction to Time Series, given an observed time series, the first step in analyzing a time series is to plot the given series on a graph taking time intervals ($t$) along …

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Here we will discuss Time Series Data and Time Series Analysis. The sequence $y_1,y_2,\cdots, y_n$ of $n$ observations of a variable (say $Y$), recorded in accordance with their time of occurrence $t_1, t_2, \cdots, t_n$, is called a time series. Symbolically, the variable $Y$ can be expressed as a function …

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The one of major Objectives of Time Series is to identify the underlying structure of the Time Series