NO.65 Refer to the Exhibit.

In the Exhibit, the table shows the values for the input Boolean attributes “A”, “B”, and “C”. It also shows the values for the output attribute “class”. Which decision tree is valid for the data?
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NO.66 If distributed Item-based Collaborative Filtering is an algorithm supported by Mahout, what is the use case category of the algorithm?
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NO.67 In naive Bayes implementations, how is the possibility of zero probabilities resulting from unobserved attribute/classifier pairs properly handled?
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NO.68 Refer to the Exhibit.

In the Exhibit. For effective visualization, what is the chart’s primary flaw?
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NO.69 What are the characteristics of Big Data?
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NO.70 You have been assigned to do a study of the daily revenue effect of a pricing model of online transactions. When have you completed the analytics lifecycle?
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NO.71 How are window functions different from regular aggregate functions?
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NO.72 Which of the following is an example of quasi-structured data?
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NO.73 For which class of problem is Map Reduce most suitable?
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NO.74 Consider the following itemsets:
(hat, scarf, coat)
(hat, scarf, coat, gloves)
(hat, scarf, gloves)
(hat, gloves)
(scarf, coat, gloves)
If the minimum support is 50%, what represents the complete list of frequent 2-itemsets?
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NO.75 What provides an extensive library of algorithm building tools to be used with the Hadoop ecosystem?
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NO.76 A study was run to identify general dietary patterns among the residents of a small town. Twelve thousand people were surveyed and the data was subject to K-means clustering. In one of the iterations, there were six clusters formed with 38, 1560, 1799, 2560, 2893, and 3150 respondents.
What should be the next step in identifying optimal clusters?
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NO.77 Which SQL OLAP extension provides all possible grouping combinations?
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NO.78 Why do the Naive Bayesian classifier implementations use the log of probability value rather than the pure probability value?
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NO.79 You have an automotive database containing numeric characteristics such as engine size, horsepower, and top speed. Which technique could you use to group similar cars together?
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