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Big Data Analytics with R and Hadoop by Vignesh Prajapati

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Recommendation algorithms

Recommendation is a machine-learning technique to predict what new items a user would like based on associations with the user's previous items. Recommendations are widely used in the field of e-commerce applications. Through this flexible data and behavior-driven algorithms, businesses can increase conversions by helping to ensure that relevant choices are automatically suggested to the right customers at the right time with cross-selling or up-selling.

For example, when a customer is looking for a Samsung Galaxy S IV/S4 mobile phone on Amazon, the store will also suggest other mobile phones similar to this one, presented in the Customers Who Bought This Item Also Bought window.

There are two different types of recommendations: ...

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