1. IQFeed or Interactive brokers data feed. 2. Interactive Brokers (Probably better services out there but it works for me). 3. C# (openquant)...
Agreed.
Unfortuantly they are not error free. If you look into their robust regression (Proc Robustreg) techniques they have plenty of errors in the way...
From a fellow SAS programmer/statistician, I wouldn't reccomend using SAS for this kind of thing. Sure it has some advatages in regards to...
I do something very similar to what you are trying to do only I use SAS. ARIMA and ARMA models can fail to estimate depending on the time series...
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