Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The power of surrogate data testing with respect to non-stationarity   Surrogate data testing is a method frequently applied to evaluate the results
of nonlinear time series analysis. Since the null hypothesis tested against is
a linear, gaussian, stationary stochastic process a positive outcome may not
only result from an underlying nonlinear or even chaotic system, but also from
e.g. a non-stationary linear one. We investigate the power of the test against
non-stationarity.

15
The categories of this paper are: nucl-ex
23
The categories of this paper are: solv-int
20
The categories of this paper are: acc-phys
5
The categories of this paper are: gr-qc
0
The categories of this paper are: hep-ph
18
The categories of this paper are: econ
7
The categories of this paper are: hep-th
4
The categories of this paper are: cond-mat
21
The categories of this paper are: adap-org
11
The categories of this paper are: hep-lat
1
The categories of this paper are: cs
17
The categories of this paper are: q-fin
36
The categories of this paper are: cmp-lg
8
The categories of this paper are: hep-ex
34
The categories of this paper are: chem-ph
3
The categories of this paper are: physics