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For a skilled Data Analyst, data cleaning and preparation accounts for a considerable portion of their labour. It's one of the most important processes in putting together a working machine learning model, and it takes up a major portion of any data analyst's day.

They collect data from a variety of sources and prepare it for numerical and categorical analysis.

Even simple algorithms can produce astonishing insights when used with a properly cleaned dataset.

It is a crucial skill for Data Analysts to have since it allows them to deal with missing and inconsistent data and is the cornerstone of most data projects. Data analyst qualifications, by necessity, necessitate good data cleaning skills - there are no two ways about it.

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Aisha Goel

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3y ago

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