What are some effective data cleansing case studies?
There are several notable case studies in data cleansing. One example is a retail company that improved its sales forecasting by 30% after cleaning its customer data.
What specific techniques did they use for data cleansing?
They employed techniques like deduplication, standardization of data formats, and validation against external databases to ensure accuracy.
Can you give another example?
Sure! A healthcare provider enhanced patient care by 25% after cleansing its patient records, removing duplicates, and correcting errors.
What tools are commonly used for data cleansing?
Common tools include OpenRefine, Talend, and Trifacta, which help automate the cleansing process and improve data quality.
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