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Fundamentals of Data Mining

Data Science 101

This data alone does not make any sense unless it’s identified to be related in some pattern. Data mining is the process of discovering these patterns among the data and is therefore also known as Knowledge Discovery from Data (KDD). Machine learning provides the technical basis for data mining.

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Business Intelligence System: Definition, Application & Practice

FineReport

Business intelligence (BI) leverages data analysis to form actionable insights that inform an organization’s strategic and tactical business decisions. Data Mining. In practical applications, data mining is also used to mine the past and predict the future. Free Download.

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Variance and significance in large-scale online services

The Unofficial Google Data Science Blog

To understand this better we need a few definitions. The paper gained much attention because, having conducted the largest study of its kind, it was understood to debunk the idea definitively. The surprise is that the effect sizes of practical significance are often extremely small from a traditional statistical perspective.

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Using Empirical Bayes to approximate posteriors for large "black box" estimators

The Unofficial Google Data Science Blog

In practice, we have gotten good results by normalizing responses for the first-order effects of factors ignored by our unit definition. Brendan McMahan et al, "Ad Click Prediction: a View from the Trenches" , Proceedings of the 19th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD), 2013. [3]

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LSOS experiments: how I learned to stop worrying and love the variability

The Unofficial Google Data Science Blog

Another way to build a classifier for variance reduction is to address the rare event problem directly — what if we could predict a subset of instances in which the event of interest will definitely not occur? This would make the event more likely in the complementary set and hence mitigate the variance problem.