Academic or research source. Check the methodology, sample size, and whether it's been replicated.
Coarsening Bias from Variable Discretization in Causal Functionals
A class of causal effect functionals requires integration over conditional densities of continuous variables, as in mediation effects and nonparametric identification in causal graphical models.
Coarsening Bias from Variable Discretization in Causal Functionals
TLDR
A class of causal effect functionals requires integration over conditional densities of continuous variables, as in mediation effects and nonparametric identification in causal graphical models.