NumXL SDK is Here

NumXL SDK is Here

We are excited to announce the availability of NumXL SDKi 1.63! The NumXL software development Kit (SDK) allows users to develop custom statistical and econometric applications for Microsoft Windows. You can download the SDK directly from GitHub for free! There is absolutely no…

 NumXL 1.63 SHAMROCK is here

NumXL 1.63 SHAMROCK is here

We are excited to announce the release of the latest version of NumXL: 1.63 (SHAMROCK). In addition to many fixes, the new version now thoroughly supports new ARMAi-type models (e.g. ARIMAi, Seasonal ARIMA, ARMAX, and SARIMAi-X) and time series (Monte-Carlo)…

 No Temporary E-Mail Addresses!

No Temporary E-Mail Addresses!

In an ongoing effort to fight spam, Spider Financial will no longer accept one-time (temporary/disposable) email addresses for any use: user’s account registration, license request, support request, feature request, comment posting, etc. Spider Financial is committed to protecting your privacy…

 NumXL 1.62 DEWDROP is released

NumXL 1.62 DEWDROP is released

We are thrilled to announce the release of the latest version of NumXL: 1.62 (DEWDROP). In addition to many fixes, the new version includes a user interface (aka Wizards) for the Johansen test for cointegration, Baxter-King (BK) filter and convolution…

 DFT – Trigonometric representation

DFT – Trigonometric representation

There have been several inquiries since the time we released our first entry on DFT, especially about using the DFT components to represent the input data set as the sum of the trigonometric sine-cosine functions. The inquiries were motivated by…