Data mining is the automated process of sorting through huge data sets to identify trends and patterns and establish relationships
Organizations today are gathering ever-growing volumes of information from all kinds of sources, including websites, enterprise applications, social media, mobile devices, and increasingly the internet of things (IoT).
The big question is: How can you derive real business value from this information? That’s where data mining can contribute in a big way. Data mining is the automated process of sorting through huge data sets to identify trends and patterns and establish relationships, to solve business problems or generate new opportunities through the analysis of the data.
It’s not just a matter of looking at data to see what has happened in the past to be able to act intelligently in the present. Data mining tools and techniques let you predict what’s going to happen in the future and act accordingly to take advantage of coming trends.
The term “data mining” is used quite broadly in the IT industry. It often applied to a variety of large-scale data-processing activities such as collecting, extracting, warehousing, and analyzing data. It can also encompass decision-support applications and technologies such as artificial intelligence, machine learning, and business intelligence.
Data mining is used in many areas of business and research, including product development, sales and marketing, genetics, and cybernetics—to name a few. If it’s used in the right ways, data mining combined with predictive analytics can give you a big advantage over competitors that are not using these tools.
Deriving business value from data mining
The real value of data mining comes from being able to unearth hidden gems in the form of patterns and relationships in data, which can be used to make predictions that can have a significant impact on businesses.
For example, if a company determines that a particular marketing campaign resulted in extremely high sales of a particular model of a product in certain parts of the country but not in others, it can refocus the campaign in the future to get the maximum returns.
The benefits of the technology can vary depending on the type of business and its goals. For example, sales and marketing managers in retail might mine customer information in different ways to improve conversion rates than those in the airline orfinancial services industries.
Regardless of the industry, data mining that’s applied to sales patterns and client behavior in the past can be used to create models that predict future sales and behavior.
There’s also the potential for data mining to help eliminate activities that can harm businesses. For example, you can use data mining to enhance product safety, or detect fraudulent activity in insurance and financial services transactions.
The applications of data mining
Data mining can be applied to a variety of applications in virtually every industry.
- Retailers can deploy data mining to better identify which products people are likely to purchase based on their past buying habits, or which goods are likely to sell at certain times of the year. This can help merchandisers plan inventories and store layouts.
- Banks and other financial services providers can mine data related to their clients’ accounts, transactions, and channel preferences to better meet their needs. They can also gather then analyzed data from their websites and social media interactions to help increase the loyalty of existing customers and attract new ones.
- Manufacturing companies can use data mining to look for patterns in the production process, so they can precisely identify bottlenecks and flawed methods and find ways to increase efficiencies. They can also apply knowledge from data mining to the design of products, and make tweaks based on feedback from customer experiences.
- Educational institutions can benefit from data mining such as analyzing data sets to predict the future learning behaviors and performance of students, and then using this knowledge to make improvements in teaching methods or curricula.
- Health care providers can mine and analyze data to determine better ways of delivering care to patients and cutting costs. With the help of data mining, they can predict how many patients they will need to care for and what type of services those patients will need. In the life sciences, mining can be used to glean insights from massive biological data, to help develop new medicines and other treatments.
- In multiple industries, including health care and retail, you can use data mining to detect fraud and other abuses—much more quickly than with traditional methods for identifying such activities.
The key components of data mining
The process of data mining includes several distinct components that address different needs:
- Preprocessing. Before you can apply data mining algorithms, you need to build a target data set. One common source for data is a data mart or warehouse. You need to perform preprocessing to be able to analyze the data sets.
- Data cleansing and preparation. The target data set must be cleaned and otherwise prepared, to remove “noise,” address missing values, filter outlying data points (for anomaly detection) to remove errors or do further exploration, create segmentation rules, and perform other functions related to data preparation.
- Association rule learning (also known as market basket analysis). These tools search for relationships among variables in a data set, such as determining which products in a store are often purchased together.
- Clustering. This feature of data mining is used to discover groups and structures in data sets that are in some way similar to each other, without using known structures in the data.
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