Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Easy Hyperparameter Search Using Optunity   Optunity is a free software package dedicated to hyperparameter optimization.
It contains various types of solvers, ranging from undirected methods to direct
search, particle swarm and evolutionary optimization. The design focuses on
ease of use, flexibility, code clarity and interoperability with existing
software in all machine learning environments. Optunity is written in Python
and contains interfaces to environments such as R and MATLAB. Optunity uses a
BSD license and is freely available online at http://www.optunity.net.

34
The categories of this paper are: chem-ph
33
The categories of this paper are: plasm-ph
32
The categories of this paper are: atom-ph
23
The categories of this paper are: solv-int
7
The categories of this paper are: hep-th
36
The categories of this paper are: cmp-lg
10
The categories of this paper are: q-bio
29
The categories of this paper are: funct-an
16
The categories of this paper are: stat
15
The categories of this paper are: nucl-ex
22
The categories of this paper are: chao-dyn
30
The categories of this paper are: q-alg
35
The categories of this paper are: mtrl-th
14
The categories of this paper are: math-ph
18
The categories of this paper are: econ
12
The categories of this paper are: nucl-th