
What is lag in a time series? - Mathematics Stack Exchange
Dec 3, 2017 · Lag is essentially delay. Just as correlation shows how much two timeseries are similar, autocorrelation describes how similar the time series is with itself. Consider a discrete …
algebra precalculus - What’s the right equation for determining …
Nov 17, 2023 · What’s the right equation for determining how many of X is needed for Y lagged results when X is normally distributed across a number of days? Ask Question Asked 2 years …
Implementation of Total Variation Regularization Algorithm …
Implementation of Total Variation Regularization Algorithm (Lagged Diffusivity Algorithm) Ask Question Asked 11 years, 5 months ago Modified 11 years, 5 months ago
Computation of two covariances between time series (one with …
Feb 1, 2020 · Computation of two covariances between time series (one with both series at same time $t$, one with one lagged time series) Ask Question Asked 5 years, 10 months ago …
Time-lagged Pearson Correlation Coefficient - Mathematics Stack …
May 20, 2019 · I am a bit confused about the relation between the Pearson Correlation Coefficient (with time-lag) and Cross-Correlation. I used to think that Cross-Correlation IS the Pearson …
signal processing - Lag of a delagged exponential moving average ...
Dec 30, 2021 · From the paper, and the paper's title even "ZERO LAG (well, almost)", the adaptive filter described in the paper is not exactly $0$ lag. The adaptive filter algorithm is …
Simplest proof of Taylor's theorem - Mathematics Stack Exchange
I have for some time been trawling through the Internet looking for an aesthetic proof of Taylor's theorem. By which I mean this: there are plenty of proofs that introduce some arbitrary …
Name of a vector of 1s? - Mathematics Stack Exchange
Apr 19, 2021 · Your notation $\mathbf {1}$ (or $\mathbf {1}^T$ if you insist that $\mathbf {1}$ is a column vector) is fine and is commonly used. Just define it when you are using it.
How to prove that the Galois group of a radical field extension is ...
Geoff Robertson has written a sketch solution, but my immediate reaction is that this is a standard textbook result, and you would do better to read a book about it rather than trying to do it as an …
soft question - Mathematics Stack Exchange
May 1, 2021 · And what about the other book, A course of Pure Mathematics ? It was written in 1908 by Hardy, the best 20th century British analyst, and helped revive Analysis in Great …