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Data Collection and Preprocessing MCQ Questions and Answers | Data Science MCQs

Explore our comprehensive collection of multiple-choice questions (MCQs) on Data Collection and Preprocessing designed to boost your confidence and knowledge in data science. These data science MCQs are essential for data science job interviews and exams. Page-5 section-1

Each section contains 100 MCQs on Data Collection and Preprocessing .
41
Which of the following is NOT a common data preprocessing technique?
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Answer & Solution
Answer: Option B
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42
In data preprocessing, what is the term for the process of converting text data into numerical values?
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Answer: Option A
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43
What is the purpose of feature engineering in data preprocessing?
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Answer: Option B
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44
Which data collection method involves selecting a subset of individuals or elements from a larger population for study?
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Answer: Option D
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45
In data preprocessing, what is the term for the process of handling missing data by filling in the missing values with estimates?
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Answer & Solution
Answer: Option A
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46
Which of the following request can be issued from httr package?
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Answer: Option D
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47
Which of the following package is used for reading HTML and XML data?
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Answer: Option A
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48
Which of the following function is used for loading flat files?
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Answer: Option C
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49
Which of the following package is used for tidy data?
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Answer: Option A
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50
Which of the following function is used for searching text strings by means of regular expression?
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Answer: Option B
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