Is it possible for a person working with statistic to replace his specialized programs by F#? I'm thinking about SAS/SPSS mainly?
Any native support for it in F#?
I am not talking about the trivial things as standard deviation and the likes, but for example item-response modeling.
UPDATE : Dont't let the item-response modeling put you of! I don't even know it, just an example of things I know they do with SPSS to clarify it's about more advanced features.
Short : is there a way to use F# as your main statistical tool and replace SPSS all together?
F-statistics are based on the ratio of mean squares. The term “mean squares” may sound confusing but it is simply an estimate of population variance that accounts for the degrees of freedom (DF) used to calculate that estimate. Despite being a ratio of variances, you can use F-tests in a wide variety of situations.
The p value is a probability, while the f ratio is a test statistic, calculated as: F value = variance of the group means (Mean Square Between) / mean of the within group variances (Mean Squared Error)
The F statistic formula is: F Statistic = variance of the group means / mean of the within group variances.
Sadly, nothing comporable to combination of R + PostgreSQL + Python/Java/Groovy/Scala/... + VisAD
Of course, there is nice http://www.codeplex.com/vslab instead of gnuplot and some c# statistics code packaged in http://ta-lib.org/ http://www.alglib.net/
You can use R within F# with the type providers for R
see
http://blogs.msdn.com/b/dsyme/archive/2013/01/30/twelve-type-providers-in-pictures.aspx
and see
http://techblog.bluemountaincapital.com/2012/08/01/announcing-the-f-r-type-provider/
Here at BlueMountain we like to perform statistical analysis of data. The stats package R is great for doing that. We also like to use the data retrieval and processing capabilities of F#. F#’s interactive environment lends itself pretty well to data exploration, and we can also easily access our existing .NET-based libraries. Once we are done, we can build and release production-supportable applications.
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