As promised in Monitoring Sources of Bond Return, we can show more history if we use CPI instead of expected inflation (from the TIP inflation breakeven yield). Here are the results with history back to 1953. From TimelyPortfolio However, mo...

RStudio Beta 2 (v0.93) is available for download today. We’ve gotten incredibly helpful input from the R community and this release reflects a lot of that feedback. The release notes have the full details on what’s new. Some of the highlights include: Source Editor Enhancements Highlight all instances of selected text Insert spaces for tabs (soft-tabs)

Update – Check out the new RJava Eclipse Plugin.The steps to install rjava on a 64 bit machine is not very different from installing it on a 32 bit machine. however, here are the exact steps. 1. Install 64 bit java.2. Install R 2.12.X3. Start R and install the rjava package using the package installer.4.… Read More »

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What is the best way to compare the quality of floating-point math libraries (e.g., sin, cos and log)? The traditional approach for evaluating the quality of an algorithm implementing a mathematical function is based on mathematics; methods have been developed to calculate the maximum error between the calculated and the actual value. The answer produced

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