Product Recommendation
Customers may be influenced to purchase similar products by using the product recommendation technique. For example, a Big Bazaar salesperson is attempting to increase the store's sales by grouping products together and offering discounts. So he combined shampoo and conditioner and offered a discount on both. Customers will also purchase them in bulk for a discount.

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Forecasting the Future
It is one of the most commonly used techniques in data science. Weather forecasting and future forecasting are performed using various types of data collected from various sources.

Detection of Fraud and Risk
It is one of the most logical Data Science applications. Because online transactions are on the rise, it is possible that your data will be lost. Credit card fraud detection, for example, is affected by the amount, merchant, location, time, and other variables. If any of them appear unnatural, the transaction will be cancelled and your card will be blocked for 24 hours or more.