Using Dropbox and shell scripts to automatically sync settings and configurations.

{ 8 comments }

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Using Dropbox and shell scripts to automatically sync settings and configurations.

{ 8 comments }

Finally making the leap from Textmate to VIM...

{ 18 comments }

What is the probability that the sum of the digits of the Dow's change would add up to the 26 on three consecutive days?

{ 3 comments }

A guide to installing Python, virtualenv, NumPy, SciPy, matplotlib and IPython on Mac OS 10.7 Lion

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"Hope" is not an investment strategy.

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An overview of financial risk and the risk management process.

{ 10 comments }

Assessing the human computer.

{ 3 comments }

Using R to recreate color-indexed maps of US unemployment data.

{ 31 comments }

Breaking down Senator Dodd's financial reform bill.

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Visualizing the view from the top of the Burj Dubai - if it were located in NYC.

{ 10 comments }

Calculating the probability of the Bulgarian lottery drawing the exact same numbers in consecutive weeks.

{ 6 comments }

The intuition behind copula models: dependence, correlation, single factors and more.

{ 2 comments }

An aside on static recovery assumptions in CDO pricing.

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A math-free introduction to CDO pricing.

{ 10 comments }

Ball marks on a squash court form an interesting scatterplot.

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A number of misconceptions about the Gaussian copula are addressed.

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Google search data reveals an (un)surprising truth about Christmas dinners.

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An explanation of Benford's law, which describes how frequently certain first digits should appear.

{ 2 comments }

An author describes a lose-lose strategy.

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Floating rate notes (FRN's) can exhibit a curious property called negative duration.

{ 11 comments }

A casual overview of how color images may be converted to grayscale.

{ 1 comment }

Explaining the Monty Hall problem.

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An introduction to high dynamic range photography.

{ 1 comment }