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Random Forests Brain Dump

The article "Random Forests Brain Dump" originally appeared on wdiam. Revisiting Kaggle, a site and service which hosts multiple data-mining competitions, I found a new competition that looked...

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Mean-Variance Portfolio Optimization with R and Quadratic Programming

The article "Mean-Variance Portfolio Optimization with R and Quadratic Programming" originally appeared on wdiam. The following is a demonstration of how to use R to do quadratic programming in order...

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Deriving the Linear Regression Solution

The article "Deriving the Linear Regression Solution" originally appeared on wdiam. In deriving the linear regression solution, we will be taking a closer look at how we “solve” the common linear...

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