Rearrangement Correlation: First Principle Thinking to capture Non-linear Relationships?

Couple of weeks ago, I was hunting for a non-linear association measure for a use case I was working on. That’s when I came across this paper that introduces "Rearrangement Correlation." It provides a fresh take on the tried-and-tested Pearson's r. I couldn't use the result for my specific problem. Nonetheless, the paper is a pretty … Continue reading Rearrangement Correlation: First Principle Thinking to capture Non-linear Relationships?

Vapnik’s Principle: What was actually said?

If you google Vapnik's Principle, this is the first search result: When solving a problem of interest, do not solve a more general problem as an intermediate step We will come back to this "principle" later. Allow me to take a rather elaborate detour for now. Over the years, I've delved into several self-help books. … Continue reading Vapnik’s Principle: What was actually said?

Finally a good start for the foundational models for timeseries?

Plot twist: It is Chronos by AWS Supply Chain Optimization Technology (SCOT). NeurIPS 2023 saw a proliferation of papers on the applicability of LLMs in time series forecasting. Some of the papers were so bad that I seriously have started (and continue to do so) questioning the review process of NeurIPS. Seeing that particular trend, … Continue reading Finally a good start for the foundational models for timeseries?