Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Discussion of: Treelets--An adaptive multi-scale basis for sparse
  unordered data   Discussion of "Treelets--An adaptive multi-scale basis for sparse unordered
data" [arXiv:0707.0481]

29
The categories of this paper are: funct-an
26
The categories of this paper are: bayes-an
25
The categories of this paper are: patt-sol
9
The categories of this paper are: nlin
34
The categories of this paper are: chem-ph
8
The categories of this paper are: hep-ex
23
The categories of this paper are: solv-int
11
The categories of this paper are: hep-lat
12
The categories of this paper are: nucl-th
0
The categories of this paper are: hep-ph
15
The categories of this paper are: nucl-ex
30
The categories of this paper are: q-alg
33
The categories of this paper are: plasm-ph
2
The categories of this paper are: math
13
The categories of this paper are: quant-ph
36
The categories of this paper are: cmp-lg