Trend, Seasonality, Moving Average, Auto Regressive Model : My Journey to Time Series Data with Interactive Code
7 min readJun 2, 2018
So recently I have been working with Time Series Data. And I wanted to review what a Time series is as well as make my understanding more concert on Time Series Data.
Please note this post is for my future self and for me to gain more deeper understanding of Time Series.
Definition
There are multiple of different sources defining the term ‘Time Series’ , so here I’ll try to give a general definition that is easy for my self to understand.
A time series is a series of data points indexed (or listed or graphed) in time order.
As seen above, wiki gives very straight forward definition, any data in a sequential time order. Now lets take a look at the definition from investopedia.
