Amazon Redshift launches cheap terabytes

Continuing to round out their web services, Amazon launches Redshift. In their words: Amazon Redshift is a fast and powerful, fully managed, petabyte-scale data warehouse service in the cloud… With a few clicks in the AWS Management Console, you can launch a Redshift cluster… for under $1,000 per terabyte per year. Amazon Redshift manages all…
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Attribution challenges throughout the purchase funnel

TechCrunch covers new data from IBM (sourced from a Black Friday Report) that exposes the weakness of last-click attribution models: Twitter and Facebook usually aren’t the last click before an ecommerce buy, but that doesn’t mean they didn’t inspire or influence the purchase. Yet IBM’s Black Friday report says Twitter delivered 0 percent of referral traffic and Facebook sent just 0.68 percent….
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Survival analysis to understand customer retention

Survival analysis is a branch of models used in medical studies to measure time to outcomes or patient duration and other disciplines have similar techniques (e.g. duration analysis in economics). These techniques are easily translated to customer analytics: BarryAnalytics provides an introduction to the application of survival analysis in retention modeling. Most churn analyses focus…
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RJMetrics launches e-commerce class

Jake Stein of RJMetrics just announced a 30-day e-commerce class which pulls together “the most valuable things we’ve learned from working with hundreds of e-commerce businesses.” The welcome email links to a report comparing traditional online retailers versus flash sale sites, with three noteworthy insights: Customer Value: first-year revenue increases more quickly on flash sale sites (+385% of first-month spend)…
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Amazon’s use of data in customer support

Amazon more or less owns my CPG consumption: Prime was the hook, Subscribe & Save the line, and customer support the sinker. Stories of customer satisfaction are not hard to find and my experience yesterday with their refund process is classic Amazon: Behind this alert is Amazon’s data-driven culture. First, I was returning a low-priced product (for the…
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512 paths to the White House

The NY Times publishes an infographic showing how swing state votes affect Electoral College outcomes: There are five paths to a tie. In this case, the newly elected House of Representatives would select the president (likely Mr. Romney) and the Senate would select the vice president (possibly Joseph R. Biden Jr.). FiveThirtyEight blog gives only…
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