The impact of incomplete data on quantile regression for longitudinal data

Jun 10, 2020 Submission readers: everyone
  • Keywords: Inverse probability weighting, Longitudinal data, Missing data, Pseudo-likelihood, Quantile regression
  • Abstract: We investigate the performance of quantile methods for longitudinal data with missingness. In a simulation study, we compare the performance of the quantile regression using different alternatives for handling missing data and taking the correlation into account. As expected, the non-likelihood-based methods provide biased estimates under the missing at random assumption. On the other hand, an inverse probability weighting approach corrects for biasedness.
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