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Types of Analysis on Time Series Data

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Types of Analysis on Time Series Data

by Jordan
January 21, 2023
in Business
0

In the retail industry, time series data is generated by sales and inventory history. Analysis of this type is used to build predictive models and data insights that help retailers predict demand in real-time. Here are the important ones to know:

Seasonal analysis

Seasonal patterns are repetitive occurrences in a time series. For example, the number of winter jackets sold yearly is likely greater than the number of summer dresses sold. For a seasonal pattern to exist, it must be consistent for at least two years and must occur every year.

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Seasonal analysis involves identifying these patterns and determining whether they are regular or irregular. If they are regular, it means that they occur at approximately the same time every year; if they are irregular, then there will be some variance in their timing throughout the years. Suppose a seasonal pattern is found using seasonal analysis techniques on time series data. In that case, you can use this information to predict future sales based on past trends and help make better decisions about your business or organisation’s operations going forward.

Time-series regression analysis

Time-series regression analysis helps forecast time-series data. It uses regression analysis to predict future values of the time series. Time-series models can be used to predict future values of the time series, and they can also be used to compare actual values with predictions.

Time-series models are often divided into level or trend and seasonal or cyclical models. Level models focus on finding a function that describes how each value in a set changes over time; they don’t consider other factors besides its previous value (an example of this would be exponential growth). Trend models attempt to find a specific function that describes how each value in a set changes over time; they consider factors beyond its previous value (such as linear trends). Seasonal or cyclical patterns occur regularly throughout the year but are not necessarily caused by external events such as holidays or seasons. These patterns tend to repeat themselves every few years (for example, monthly sales figures tend to increase in December due to Christmas shopping).

Control chart analysis

Control chart analysis is a type of statistical process control that uses control charts to monitor the performance of processes over time. Control charts are an effective way to identify potential problems before they become major issues, monitor and maintain the stability of a process, and determine if a process is under statistical control.

Using control charts, you can identify a shift in your data—a change from normal behaviour that might indicate an underlying problem with your system. If you see changes in patterns or trends on your control chart, you can take action before any major issues arise!

Econometric analysis

Econometric analysis uses statistical techniques to model and analyse economic data. Econometrics is essential to economics, as it allows economists to predict the future by analysing past market trends. The two main types of econometrics are time series analysis and cross-sectional analysis.

Time series data consists of a set of observations that are collected over time. A time series has a dependent variable (the change or difference between values from one period to another), an independent variable (the cause or factor affecting the change in values), and error terms (random fluctuations).

The goal for econometricians is to find out if there is a causal relationship between these three variables to predict future events based on past events. The two methods most commonly used in this analysis are regression models and ARIMA models (autoregressive integrated moving averages).

The different types of analysis on time series data are essential because they help you to understand data insights and how your data behaves. Understanding your data allows you to make better future decisions and know what is ahead.

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