What are the applications of data mining?

The term data mining originated in the early 1990s and became popular years after the advent of big data. Several industries use the KDD Knowledge Discovery in Data is the process of deriving or "mining" useful information from large sets of data. process to upgrade their working standards and address problems they couldn't have tackled before. Hence, data mining results in extracting useful information from large amounts of data.

We are drowning in data but starving for knowledge.

Importance of data mining

Because of automation Mostly tools that make doing a particular task easy., data collection has become relatively more accessible than before. Additionally, we physically store the data collected to access large amounts of raw data. Data mining provides the tools needed to explore and use this data.

Application of data mining

Applications of data mining

The tools provided for processing data and extracting information have been deemed helpful in a wide variety of fields which include and are not limited to:

Business industry

The business industry can use the classification and characterization that many algorithms provide to make critical business decisions that would otherwise take a substantial amount of time.

Stores and shopping centers can use frequent pattern mining for targeted marketing and direct mail targeting. Similarly, broker houses can identify the behavior of the stock market. Subscription-based services also use pattern mining to identify the customers most likely to leave their services and those willing to upgrade their subscription tier.

Market basket analysis identifies the items frequently bought in a single transaction, enabling stores and shopping centers to provide bulk discounts on products, ultimately adding to the number of customers.

Web

The internet is full of web pages. A web search engine scours the internet for the most relevant pages required by the user. These engines operate on algorithms that identify the relevance of a page by how many "hits" it has had. A data mining technique called the link analysis This is a technique for evaluating relationships between nodes of a graph. In this case, the internet.algorithm for rating web pages was introduced by Jon Kleinberg, known as the HITS.

Criminology

Correlation and covariance between the attributes of a multidimensional dataset can give us the relation of one feature to another. As a result, this can be applied to crime reports. A heatmap gives us the visual representation of the covariance This represents the relationship between two attributes, how one changes with respect to the other. of all attributes concerning each other, producing helpful knowledge.

Time analysis of the data can give us an understanding of when a particular crime is committed, resulting in reduced crime rates. Below is some helpful information derived from a police station in Los Angeles crime report dataset.

Analysis of crimes based on the time of day

Similarly, spatial analysis can help narrow down areas where a particular crime is likely to occur, as shown in the following illustration.

Analysis of crimes based on their location

In the context of the same dataset, based on crime data, researchers can use clustering techniques to identify the group of individuals (based on their age or ethnicity) towards which certain crimes are directed for statistical purposes.

Science

Simulations for science experiments are being modeled on computers without physically setting up the experiment's requirements, which might be too difficult to do in some cases. Additionally, complex calculations such as weather forecasting and other computationally expensive tasks produce data in huge bulks, which can be warehoused to be pre-processed later for the visualization of insightful data.

A suitable example would be that the discovery of an actual black hole. The science experiment led by Dr. Shepard Doleman used a planet-wide telescope to collect 5,000 trillion bytes of data from all over space and used advanced algorithms and supercomputers to aid the researchers in finding the pictures of the black hole.

Other applications

Some noteworthy data mining applications include:

  • Intrusion detection: Outlier analysis can identify anomalies in data. This allows the detection of patterns that aren't usual or associated with the rest of the dataset and hence can be discarded; for example, a person who always shops for groceries while keeping their total expenses below a certain minimum number wouldn't suddenly have the urge to go on a shopping spree spending all available funds - this would indicate that the person's credit card was stolen. Other anomalies and security violations are also detected similarly.
  • Bioinformatics: Applications in bioinformatics include gene sequencing, disease diagnosis, and disease treatment optimization. Predicting a patient's outcome based on their genotypic microarray data is a use case.
  • Transportation: Transit services can identify the patterns during peak traffic hours to ensure smooth travel. They can determine the distribution schedules among outlets.

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