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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. Significant advantages. 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. But if a small fraction of user sessions have any purchase at all, then the coefficient of variation for the metric (sale price per session) will necessarily be even larger than that of the binary event (sessions with a sale). known, equal variances).

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

The Unofficial Google Data Science Blog

Doing so makes it easier to study the effects of an intervention, say, a new marketing campaign, on the sales of a product. 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?