Which of the following function is used for fixing character vectors?
A. tolower
B. toUPPER
C. toLOWER
D. all of the mentioned
Answer: Option A
This Question Belongs to Data Science >> Data Collection And Preprocessing
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What is the process of gathering data from various sources and storing it for analysis known as?
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C. Data Visualization
D. Data Aggregation
Which of the following is NOT a common source of data for data collection in Data Science?
A. Social Media
B. Sensor Data
C. Print Media
D. Customer Surveys
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D. Raw Data Collection
A. CSV
B. JSON
C. XML
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