Discovery, interpretation, and communication of meaningful patterns in data is part of data analytics.Analytics is compulsory for business for describing, predicting, and improving business performance.

It involves many fields like Statistics, Mathematics,computer science and operations research and so on.

Statistician John Tukey defined data analysis in 1961 as: “Procedures for analyzing data, techniques for interpreting the results of such procedures, ways of planning the gathering of data to make its analysis easier, more precise or more accurate, and all the machinery and results of (mathematical) statistics which apply to analyzing data.”

Data Analytics involves:

Data collection
Data processing
Data cleaning
Exploratory data analysis
Predictive Modeling

Some software which are useful for data analytics are R,python,excel,etc.
For Big data analytics people are using hadoop,MongoDB,Spark,etc.

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