Subset

In data science, a subset refers to a portion of a larger dataset that has been selected based on specific criteria. This process involves filtering out irrelevant or unnecessary data points to create a smaller, more manageable dataset that can be analyzed more efficiently. Subsetting is a common technique used in data preprocessing, exploratory data analysis, and model building. It can help to improve the accuracy and efficiency of data analysis by reducing the complexity of the dataset and focusing on the most relevant information. Subsetting can be done based on various criteria such as time, location, variables, or specific values of a variable.
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