Spider Financial - Financial Analytics Made Easy

Sales Forecast Example - Models comparison and selection

admin — Wed, 22 Feb 2012 17:36:23 +0000

February 22, 2012: In this week's issue of Tips & Tricks, we consider the process of models comparison, as well as the the selection of the best model. Our objective will be to compare the (surviving) models and choose the best candidate. For details, or to download the document and/or the spreadsheet for this tutorial, go to "Sales Forecast Example - Models comparison and selection" on our website.

Classic - Airline Passenger Data

admin — Wed, 15 Feb 2012 20:27:25 +0000

February 16, 2012: In this week's "Tips and Tricks" newsletter, we present the analysis, modeling and forecast for international airline passenger data. We make use of a familiar example that first appeared in Time Series: Forecast and Control, a textbook by Box, Jenkins and Reinsel, originally published in 1969. For details, or to download the document and/or spreadsheet for this tutorial, go to "Text Book Example - Airline passenger data" on our website.

Volatility Forecast with GARCH

admin — Tue, 07 Feb 2012 20:24:51 +0000

February 9, 2012: This week, the "Tips & Tricks" newsletter tackles the issue of the volatility forecast using GARCHi Modeling techniques. Starting with S&P 500 ETFi prices, the paper illustrates the few steps it takes to process the price data; specify a model; fit or to calibrate the the model coefficients values; validate the assumptions of underlying model; and, finally, to construct a 12-month volatility forecast. We did all of the steps using NumXL, right in Excel.

Check out what is coming soon!

admin — Fri, 27 Jan 2012 18:32:12 +0000

January 27, 2012: In the next couple of weeks, expect some exciting further enhancements to NumXL! We are adding support for three frequently-requested time series models: ARIMAi, ARFIMAi and SARIMAi.

Launch New Version Of NumXL

admin — Thu, 26 Jan 2012 20:49:08 +0000

January 26th, 2012: We are excited to announce today the launch of NumXL release 1.52 (1.52.40934.5). The new release is updated according to the suggestions from customers including: improved functionality and usability for the Generalized Linear Model (GLM), and a few more miscellaneous fixes/enhancement. For a complete lists of the changes, please refer to the NumXL release notes.

Issues reported with Spanish version of Excel

admin — Wed, 18 Jan 2012 14:33:38 +0000

January 17th,2012 : Several users with Spanish version of Excel reported issues with the formulas generated by NumXL Wizard. The issues are due primarily to the locale or regional settings (e.g. decimal point interpretation). Going forward, Our Team is working to resolve those issues as high priority, and a new release is scheduled in the very near future.

Maintenance release (III) for NumXL 1.51

admin — Wed, 28 Dec 2011 23:47:12 +0000

December 28, 2011: The SpiderXL Team released a new maintenance patch (III) for NumXL 1.51 ORB (1.51.40905.1). This release is a hot fix for the Airline model forecasting function. We strongly recommend our users to download and install the latest NumXL release.

New Help Desk available

admin — Wed, 21 Dec 2011 17:12:09 +0000

December 21, 2011: We are pleased to announce the launch of the new and robust help desk support portal. User can submit question, report defects or suggest new enhancements/features for all of our products. Users don't need to create an account to use the helpdesk, but, instead, all they need is their email address.

New Maintenance Release for NumXL 1.51

admin — Fri, 11 Nov 2011 19:57:57 +0000

November 11, 2011: The SpiderXL Team released a new maintenance patch for NumXL 1.51 ORB. The release addresses the problems experienced by few users while activating their keys. We strongly recommend our users to download and install the latest NumXL release.

NumXL promotional price - $200!

admin — Mon, 03 Oct 2011 16:53:22 +0000

October 3, 2011: We are pleased to announce a new promotional price for NumXL - originally 200. Volume pricing has also been adjusted to reflect the new price.