Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Tweedie distributions for fitting semicontinuous health care utilization
  cost data   We explore a statistical distribution that can simultaneously model the
probability of zero outcome for non-users of health care utilization and
continuous costs for users. We compare this distribution to other com- monly
used models on example data and show that it fits cost data well and has some
appealing properties that provide flexible use.

26
The categories of this paper are: bayes-an
2
The categories of this paper are: math
35
The categories of this paper are: mtrl-th
9
The categories of this paper are: nlin
27
The categories of this paper are: comp-gas
37
The categories of this paper are: supr-con
28
The categories of this paper are: alg-geom
31
The categories of this paper are: ao-sci
21
The categories of this paper are: adap-org
17
The categories of this paper are: q-fin
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The categories of this paper are: chao-dyn
13
The categories of this paper are: quant-ph
8
The categories of this paper are: hep-ex
24
The categories of this paper are: dg-ga
18
The categories of this paper are: econ
4
The categories of this paper are: cond-mat