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How do I do data analysis?

Although there may be certain specific ways of catering to specific business problem; but the generic view of data analysis invariably comprises five key steps – firstly, it starts with defining the business problem as all statistical or data solutions should always correspond to business problems; second, is to set-up measurement criteria i.e. to convert the business problem into a technical or statistical problem; then comes the data collection phase which could be via both primary or secondary mechanisms.
Once the data is collected, cleaned & harmonized, the fourth step is to analyse the data using various tools & technologies; and finally, interpret the inferences from the analysis and communicate the result to the business users.