Tweedie distributions for fitting semicontinuous health care utilization cost data
Abstract Background The statistical analysis of health care cost data is often problematic because these data are usually non-negative, right-skewed and have excess zeros for non-users. This prevents the use of linear models based on the Gaussian or Gamma distribution. A common way to counter this i...
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| Format: | Article |
| Language: | English |
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BMC
2017-12-01
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| Series: | BMC Medical Research Methodology |
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| Online Access: | http://link.springer.com/article/10.1186/s12874-017-0445-y |