Read through the articles below to stay up to date with NumXL Pro and topics related to time series, statistics, modeling, forecasting, and many more.
After receiving several inquiries about the exponentially weighted moving average (EWMAi) function in NumXL, we decided to dedicate this issue to exploring this simple function in greater depth.
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
This issue focuses on using the DFT components to represent the input data set as the sum of the trigonometric sine-cosine functions.
In this entry, we examine the Discrete Fourier Transform (DFT) and its inverse, as well as data filtering using DFT outputs.
Spider Financial is excited to announce the new NumXL Affiliate and Agent Program!
We look forward to working with affiliate marketers to grow the NumXL community. We are even more excited to introduce the world of affiliate marketing to Spider Financial.
In this study, we examine the daily prices of the first four (4) contracts of WTI CL futures listed on NYMEX, compute the number of days to the delivery month for each contract, and carry out principal component analysis (PCA) in an attempt to uncover the core drivers behind the futures curve changes (i.e. level and general shape).
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