Is the best way to parallelize ARIMA in R using the quantstrat and backtest R packages?

I wondered about this post. http://quantlabs.net/r-blog/2012/08/is-the-smartest-way-to-parallelize-this-arima-function-within-r-only-for-windows-use-quantstart-and-backtest-r-packages/ I really don’t want to hack the R packages to parallelize from within those. If you got a better suggestion, please let me know […]

Quant analytics market data capture: so what the general differences between iqfeed and the nxcore products?

Quant analytics market data capture: so what the general differences between iqfeed and the nxcore products? Dave Forss: the base rate of our NxCOre is $500/month, iQFeed is $65/month. NxCore […]

Quant analytics interaction terms: We need lower terms despite significance when higher order polynomial is? Tradeoffs?

Quant analytics interaction terms: We need lower terms despite significance when higher order polynomial is? Tradeoffs? For some of the respondent level models I am working on, we are trying […]

Quant analytics: Pros and cons of k-means and k-means++ algorithm? also provide me the implementation of these two algorithm?

Quant analytics: Pros and cons of k-means and k-means++ algorithm? also provide me the implementation of these two algorithm?   == The basic k-means approach has been faulted for the […]