새 질문 118
When creating a presentation for a technical audience, what is the main objective?
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새 질문 119

Based on the graphic, what should be done to begin addressing chart junk?
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새 질문 120
What are challenges presented by Big Data?
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새 질문 121
Which term is used to describe separating a database into separate parts that can be processed in parallel?
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새 질문 122
전시회를 참조하세요.

You are building a decision tree. In this exhibit, four variables are listed with their respective values of info-gain. Based on this information, on which attribute would you expect the next split to be in the decision tree?
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새 질문 123
Which word or phrase completes the statement? Business Intelligence is to monitoring trends as Data Science is to ________ trends.
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새 질문 124
What does a leaf node represent in a decision tree?
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새 질문 125
Consider a database with 4 transactions:
Transaction 1: {cheese, bread, milk}
Transaction 2: {soda, bread, milk}
Transaction 3: {cheese, bread}
Transaction 4: {cheese, soda, juice}
You decide to run the association rules algorithm where minimum support is 50%. Which rule has a confidence at least 50%?
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새 질문 126
You have numeric data for more than 500 observations. You are interested in identifying linear relationships among these numeric variables. Which R function should you employ to get the best visualization?
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새 질문 127
How is HDFS defined?
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새 질문 128
Which word or phrase completes the statement? A spreadsheet is to a data island as a centralized database for reporting is to a __________?
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새 질문 129
What is the primary function of the NameNode in Hadoop?
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새 질문 130
When would you use a Wilcoxson Rank Sum test?
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새 질문 131
What is a core deliverable at the end of the analytic project?
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새 질문 132
Consider these itemsets:
(hat, scarf, coat)
(hat, scarf, coat, gloves)
(hat, scarf, gloves)
(hat, gloves)
(scarf, coat, gloves)
What is the confidence of the rule (hat, scarf) => gloves?
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새 질문 133
What are considerations in a data science and Big Data analytics project?
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