
What is lag in a time series? - Mathematics Stack Exchange
2017年12月3日 · At lag=12 you will have the lowest correlation of the day, after what it will begin to increase. Move forward 6 month to 1 pm. Your time series is still somewhat correlated. …
statistics - Correlation Coefficients with Unequal Data Sets ...
Zero lag means pairing elements in the series at a common time point which is exactly what you are doing with your Pearson correlation estimation approach. Unfortunately I do not see a …
Autocorrelation and lags definition - Mathematics Stack Exchange
2019年4月6日 · An autocorrelation asks to what degree realizations with a certain time difference - a lag - co-move. For example, the autocorrelation with a lag of 1 would compute the …
How to know when to put calculator in radian or degree mode?
The ° symbol means "degrees." Any answer marked with that is definitely in degrees. The technically correct thing to do is to assume that everything is in radians unless otherwise …
how to derive the mean and variance of a Gaussian Random …
Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their …
notation - what does ≼ or ≺ mean? - Mathematics Stack Exchange
Wouldn't it be 172≽1≽3 (I'm assuming ≽ means comes after) since 172 comes after 3 and 1? Or am I wrong, if you don't mind me asking. $\endgroup$ – user287997
Inverse function of a polynomial - Mathematics Stack Exchange
2012年10月10日 · $\begingroup$ @Gyu Eun Lee That has the same equation, so maybe is why Jaden M. asked this question, but the question you linked looks like a homework problem that …
What is "white noise" and how is it related to the Brownian motion?
2016年2月4日 · Definition 2: In Stochastic Differential Equations with Applications to Physics and Engineering, Modeling, Simulation, and Optimization of Integrated Circuits and Generalized …
What does "curly (curved) less than" sign $\\succcurlyeq$ mean?
2014年2月9日 · Does it sometimes denote, in measurement theory; often the qualitative counterpart to $\geq $ in the numerical representation; when one wants to numerically …
numerical methods - Lagrange Interpolating Polynomials - Error …
2015年2月17日 · This means that we don't consider the endpoints when finding the max in that interval, so the only ...