What is the term for the process of converting data into a structured format suitable for analysis and storage?
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Data Science · all questionsData Collection and Preprocessing
Data Collection and Preprocessing
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Which data collection method involves gathering data by directly interacting with subjects or participants?
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What is the purpose of feature engineering in data preprocessing?
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Which of the following is NOT a common data preprocessing technique?
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In data collection, what is the term for data that has not been processed or analyzed and is in its original form?
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What is the term for the process of selecting a representative subset of a larger dataset for analysis?
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Which data preprocessing step involves checking for and handling duplicate records in a dataset?
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What is the primary goal of data preprocessing in the context of machine learning?
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In data preprocessing, what is the term for the process of converting categorical data into binary format?
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What is the term for the process of handling missing data in a dataset by estimating values based on available data?
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What is the term for the process of reducing the dimensionality of data while retaining its most important features?
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Which data collection method involves the collection of data at regular intervals over a period of time?
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What does the acronym "ETL" stand for in the context of data preprocessing and integration?
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In data preprocessing, what is the process of converting data values into a standard format to remove noise and variations?
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Which data collection method involves manipulating one or more variables to observe their effects on other variables?
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What is the purpose of data sampling in data collection?
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What is the term for data that is collected from a single source at a specific point in time?
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Which data preprocessing step involves checking for and handling duplicate records in a dataset?
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What is the primary goal of data preprocessing in the context of machine learning?
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What is the term for the process of organizing and storing data in a structured format that enables efficient retrieval?
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