Skip to main content

All Questions

Filter by
Sorted by
Tagged with
1 vote
0 answers
53 views

Measuring Autocorrelation in Tail Events

I have a single time series of financial data (stock index returns) and would like to study the autocorrelation among (log-)returns that are classified as "extreme", for example via exceedance of a ...
CFW's user avatar
  • 111
0 votes
1 answer
868 views

Neural Network - Classification from Time series

I'm a .Net programmer who is fairly new to neural networks, but I know some of the concepts. I have connected .Net to my copy of Mathematica 10 This is a classification Our business problem is ...
toddmo's user avatar
  • 103
5 votes
1 answer
4k views

Characterizing periodicity level of signal

What are some good ways of quantitatively characterizing the periodicity level of an approximately periodic $f(t), t \in \mathbb{R}$ signal? I need this to tell if the output of some system is ...
Szabolcs's user avatar
  • 1,408