Estimating the conditional distribution in functional regression problems

Siegfried Hörmann, Thomas Kuenzer, Gregory Rice

Research output: Contribution to journalArticlepeer-review


We consider the problem of estimating the conditional distribution P(Y ∈ A|X) of a functional data object Y =(Y (t):t ∈ [0, 1]) in the space of continuous functions, given covariates X in a general space and assuming that Y and X are related by a functional linear regression model. Two estimation methods are proposed, based on either the empirical distribution of the estimated model residuals, or fitting functional parametric models to the model residuals. We show that consistent estimation can be achieved under relatively mild assumptions. We exemplify a general class of sets A specifying path properties of Y that are of interest in applications. The proposed methods are studied in several simulation experiments, and data analyses of electricity price and pollution curves.

Original languageEnglish
Pages (from-to)5751-5778
Number of pages28
JournalElectronic Journal of Statistics
Issue number2
Publication statusPublished - 2022


  • Empirical distribution
  • functional quantile regression
  • functional regression
  • functional time series
  • prediction sets
  • empirical distribution
  • functional quantile re-gression
  • Functional regression

ASJC Scopus subject areas

  • Statistics and Probability
  • Statistics, Probability and Uncertainty

Fields of Expertise

  • Information, Communication & Computing


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