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Monthly Archives: November 2016
A nice chart of univariate distribution relationships
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Big Data for Volatility vs.Trend
So different aspects of Big Data — in this case dense vs. tall — are of different value for different things. Dense data promote accurate volatility estimation, and tall data promote accurate trend estimation. More (No Hesitations blog)
The limitations of randomised controlled trials
In recent years, the use of randomised controlled trials has spread from labour market and welfare programme evaluation to other areas of economics (and to other social sciences), perhaps most prominently in development and health economics. This column argues that … Continue reading
Posted in Statistics, Uncategorized
Tagged Randomised Controlled Trialls, RCT, Statistics
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Very brief notes on measures: From σfields to Carathéodory’s Theorem
Definition 1. A field is a nonempty collection of subsets of the sample space closed under the formation of complements and countable unions (or equivalently of countable intesections – note ). Hence is a field if whenever whenever Definition 2. … Continue reading