Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Tutorial on Principal Component Analysis with the Accord.NET Framework   This document aims to clarify frequent questions on using the Accord.NET
Framework to perform statistical analyses. Here, we reproduce all steps of the
famous Lindsay's Tutorial on Principal Component Analysis, in an attempt to
give the reader a complete hands-on overview on the framework's basics while
also discussing some of the results and sources of divergence between the
results generated by Accord.NET and by other software packages.

3
The categories of this paper are: physics
21
The categories of this paper are: adap-org
32
The categories of this paper are: atom-ph
24
The categories of this paper are: dg-ga
26
The categories of this paper are: bayes-an
14
The categories of this paper are: math-ph
36
The categories of this paper are: cmp-lg
7
The categories of this paper are: hep-th
30
The categories of this paper are: q-alg
13
The categories of this paper are: quant-ph
35
The categories of this paper are: mtrl-th
23
The categories of this paper are: solv-int
9
The categories of this paper are: nlin
29
The categories of this paper are: funct-an
27
The categories of this paper are: comp-gas
15
The categories of this paper are: nucl-ex