Attached is Book,
Chapter 9- Page 512-513, Please answer Questions 1 thru 5 for the Opening Vignette “Analyzing Customer churn in a Telecom Company using Big Data Methods (The Vignette starts on page 510).
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QUESTIONS FOR THE OPENING VIGNETTE :
1. What problem did customer service cancellation pose to ATâ€™s business survival?
2. Identify and explain the technical hurdles presented by the nature and characteristics of ATâ€™s data. â€˜
3. What is sessionizing? Why was it necessary for AT to sessionize its data
4. Research other studies where customer churn models have been employed. What types of variables were used in those studies? How is this vignette different?
5. Besides Teradata Vantage, identify other popular Big Data analytics platforms that could handle the analysis described in the preceding case. (Hint: see Section 9.8.)