Duplicates

Duplicates refer to the presence of identical or nearly identical records in a dataset. In data science, duplicates can cause problems in data analysis and modeling, as they can skew statistical results and lead to overfitting. Identifying and removing duplicates is an important step in data cleaning and preprocessing. Duplicate detection can be done using various techniques such as hashing, clustering, and machine learning algorithms. Once duplicates are identified, they can be removed or merged based on the specific needs of the analysis or application.
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