Read through the articles below to stay up to date with NumXL Pro features, support and applications.
In this issue, we tackle a simple yet powerful functionality in NumXL: Interpolation. First, using an example, we present key concepts and methods of interpolations (e.g., step, linear, cubic spline), followed by frequently asked questions about interpolation.
In this article, we discuss how to use quarterly data with X13ARIMA-SEATS and tackle some of the ambiguities that can arise.
In this article, we show you how to backtest on the X-13ARIMA-SEATS forecast of seasonally-adjusted and final values in your time series.
This article covers NxLOCREG(.) and NxKREG(.), two different functions for non-parametric data fitting.
This article introduces the RMNA(.) function, a simple yet powerful tool for handling datasets with missing values
What exactly is the Hurst Exponent? How do we use it in Excel? And how do we interpret the calculated values? In our latest issue of Tips & Tricks, we will go over the Hurst exponent in-depth to help you develop intuition and insight into the subject.
The article is about how to do Backtesting in Microsoft Excel, it’s modeling refers to a predictive model’s testing using historical data.
This issue addresses how to use Fourier Transform to filter a data signal using only K frequency components with the highest amplitudes.
Over the past few weeks, several users reported various problems with NumXL toolbar in Office 365 on Windows 10. After a thorough investigation and long troubleshooting sessions, we have realized that a recent Microsoft Windows Cumulative update (KB4511553) released back in August 2019, has broken parts of our VBA code in the NumXL toolbar.
There are several block sites that are using our name NumXL and offering a free cracked version of our software. Those sites are not affiliated with NumXL and often times their downloads contain malware and viruses that can harm your machine.
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