What is Big Data Analytics and Why is it Important?

Last Updated on December 8, 2022

Big Data Analytics

To provide useful insights for businesses, big data analytics applies advanced analytics to enormous collections of both structured and unstructured data. It is frequently utilized to identify what is working and what is not, to enhance processes, systems, and profitability, in fields as diverse as health care, education, insurance, artificial intelligence, retail, and manufacturing.

Big data analytics, for instance, is essential to the contemporary healthcare sector. As you may guess, it’s necessary to maintain hundreds of patient records, insurance policies, medications, and vaccine-related data. It contains enormous volumes of structured and unstructured data, which, when analyzed, might provide crucial information. Big data analytics quickly and effectively does this so that medical professionals can use the data to make accurate, life-saving diagnoses.

You’ll discover more about big data analytics in this blog post, including what it is, why it’s significant, and how it may benefit a variety of modern businesses. Additionally, you’ll discover a list of often used tools for big data analytics, learn about the many sorts of analysis employed, and discover some suggested courses that might aid you in beginning your own career in data analytics.

What is Big Data Analytics?

The often challenging process of analysing large amounts of data to find information that might assist businesses in making wise decisions about their operations, such as hidden patterns, correlations, market trends, and customer preferences, is known as big data analytics.

Large amounts of data must be gathered, examined, and analyzed in order to find market trends, insights, and patterns that can aid businesses in making smarter business decisions. Companies may create plans swiftly and efficiently with this information, maintaining their competitive advantage. Basic inquiries regarding business performance and operations are addressed by business intelligence (BI) queries.

Advanced analytics, which includes aspects like predictive models, statistical algorithms, and what-if analysis powered by analytics systems, is a subset of big data analytics.

How Does Big Data Analytics Work?

The datasets are analyzed and studied using a wide range of approaches in big data analytics. Data mining is the most well-known technique, which explores and examines data to find and extract patterns. Knowledge discovery in databases (KDD), which is frequently the next step, is directly related to the underlying structure of the data and data management strategies, such as parallel and distributed databases.

Advances in artificial intelligence (AI) such as intelligent searches, natural language processing (NLP), neural networks, machine learning (ML), and deep learning are used in a lot of the analysis carried out by big data analytics (DL).

Big data analytics strives to deliver results as rapidly as possible, almost in real-time, and to update these conclusions as new data is collected. This maintains the insights’ relevance while the data being gathered changes. As a result, decisions can be immediately reassessed and modified in light of fresh information and insights.

Big Data Analytics Tools


Large volumes of data may be stored, processed, and analysed using Hadoop, a potent big data platform. It can be applied to a variety of activities, including the processing of log files, the study of consumer data, and the development of machine learning models.

Hadoop can handle massive volumes of data and is built to scale to suit the needs of large enterprises. Additionally, it provides a range of options and features that let you tailor it to meet your individual requirements.


By negotiating with other services and applications for access to the cluster’s resources, YARN, or Yet Another Resource Negotiator, is a tool that aids in managing resources on a Hadoop cluster.

By doing so, Hadoop is able to utilise its resources more effectively and maintain the seamless operation of other services. Additionally, since YARN prevents them from having to compete with Hadoop itself for resources, it makes it simpler to add additional services or applications to a Hadoop cluster.

NoSQL Databases

As businesses adopt big data solutions, NoSQL databases are growing in popularity. These databases can process a lot of data since they are scalable and capable of doing so. Additionally, because they are non-relational, the data structure is not restricted by conventional relational database models. They are a fantastic option for large data solutions because of their flexibility.

Apache Spark

A robust open-source data processing engine based on the Hadoop Distributed File System is called Apache Spark (HDFS). Large datasets can be processed quickly using Spark thanks to its ability to run on clusters of affordable hardware.

Compared to conventional Hadoop MapReduce tasks, Spark offers a number of benefits. Due to its in-memory data processing engine, Spark can complete tasks up to 100 times quicker than Hadoop MapReduce.

Compared to MapReduce, Spark’s programming model is far more terse and approachable, which makes it simpler for developers to create code.

Several built-in libraries for data analysis are also available with Spark, including support for streaming data, machine learning, and graph processing.


With the aid of the data visualisation programme Tableau, you can transform your data into illustrative and aesthetically pleasing graphs, charts, and maps.

Tableau lets you comprehend your data clearly so you can make better business decisions. It may be used for tiny or massive data.

You may connect to a variety of data sources using Tableau, including Excel documents, SQL databases, cloud services, and social networking websites. Then, with just a few clicks, you can produce interactive visualisations and distribute them to others in a number of formats.


A programming approach called MapReduce is used to process enormous volumes of data. It was developed by Google and has gained popularity among fans of big data.

The fundamental idea underlying MapReduce is to divide an issue into smaller, more manageable pieces. To construct the finished product, the smaller sections are then put together. This method can be applied to tasks like data sorting, average computation, and duplication detection.

MapReduce can be utilized by numerous computers at once. It is therefore perfect for handling huge datasets. The code is also written in Java, a language that is extensively used in the software industry.

The Advantages of Big Data Analytics

Big data analytics are crucial for both established businesses and start-ups. Both the former and the latter benefit from its promotion of agility and the capacity to make quick data-centric judgments. For the former, it aids in making sense of the enormous amount of statistics.

Understanding customers 

Applications for big data analytics assist in providing organisations with a complete image of their customers. What drives people’s behaviour, what they purchase and when, how they engage with businesses, and why they favour one brand or product over another.

Businesses can acquire information from internal sources, social media, open data, and browser logs using the correct big data analytics approaches, which together provide an inside look into customer expectations.

Monitoring competition 

Reading business news, acting like a consumer to gain insights into corporate procedures, and similar pursuits have historically been the only means of learning how the competition operates. However, you may now obtain all the information you require about the opposition without ever leaving your desk.

A brand’s popularity may be seen on Google Trends, opinions about it can be found on social media, and weaknesses in the brand can be seen on review and rating websites. Simple big data analytics techniques make all of this possible.

Better operations 

Big data technology is needed to improve corporate operations and processes. The technology is used to define efficiency, find anomalies, and highlight when the process needs improvement by being integrated into every data-intensive company operation such as the production line, customer ordering systems, etc.

The usage of these advantages of big data analytics is widespread in fields like retail, supply chain, communications, healthcare, and others in a similar field.

Finding trends 

Another set of advantages of big data analytics is its capacity to detect and monitor patterns and behaviors. It provides businesses with information on the direction of their growth as well as the nature and evolution of the demand for their products. Technology eliminates “instinct” from trend prediction.

Big data tools are designed to compile trends from traditional and social media media sets, as well as patterns of consumer activity. It then advises companies where they should direct their proactive energy in terms of targeted advertising and client retention.

Tweaking business models 

Companies have updated their current products while developing new goods and business lines using big data analytics solutions. Businesses are able to identify what their clients are seeking for and which companies are meeting their needs thanks to the vast amount of market data at their disposal. New products and business models are then being defined using this knowledge.


Due to the significance of big data analytics, there is fierce rivalry and a rising need for big data specialists. Analytics and Data Science is a rapidly developing discipline with great promise. Gaining insights and studying the corporate value chain are made possible by data analytics. The usage of analytics can help analysts learn more about their respective industries. Organizations have the opportunity to learn about commercial potential from data analytics professionals.

Big data analytics are essential and significant in many different disciplines and industries. As a result, it is crucial for a professional to stay current with these methods. However, businesses can benefit greatly from adopting these analytics tools properly.

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