As 2012 comes to an end, we are putting NumXL on a new development track and marching toward our next major release – NumXL 1.60 APACHE. During the prior release (1.59 Tucson), we made major changes to NumXL underlying architecture…
We've featured ARIMA models in a few of our tutorials before, but this week we'll explore them in rich detail, starting with a clear definition of the process and moving on from there.
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,…
In the next couple of weeks, expect some exciting enhancements to NumXL! We are adding support for three frequently-requested time series models: ARIMA, ARFIMA and SARIMA.