What is data analysis?
You have to know exactly what data analysis is before you can understand the process. Analysis of data is the procedure of first of all setting goals as to what data you need and what questions you’re hoping it will answer, then collecting the information, then inspecting and interpreting the data, with the aim of sorting out the bits that are useful, in order to suggest conclusions and help with decision making by various users.
It focuses on knowledge discovery for predictive and descriptive purposes, sometimes discovering new trends, and sometimes to confirm or disprove existing ideas.
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