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Most decent data analytics courses, like H2K Infosys in the USA, emphasize a lot on data cleaning because this takes a good proportion of actual work. With a good Data Analytics Program, you will be taught how to deal with missing values, inconsistencies, duplicate eliminations, and preparing messy datasets for analytics. In my experience this can take longer than the actual analysis, so I love courses with lots of practical elements. If you get down to cleaning the data, then everything else becomes easy, and your results become a lot more dependable.
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Posted : 30/04/2026 7:43 am