In real-world scenarios, data is never perfect. There will be anomalies that a trained eye will be able to spot. Issues with data may occur due to the way the data is being sourced and as a result of the process used to store it. Data-retrieval issues related to technology, level of understanding of the data, the audited and controlled process for extraction, archiving issues, and understanding the data requirements of the business can further impact data quality. These are just a few examples of what can go wrong while trying to ensure that a firm has the best data quality. Thankfully, help is at hand when left with missing or poor quality data. Using various statistical methods, imputation can be performed to ...
Markov method for imputation
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