The average expected change in a topic's proportion per unit of a covariate
(continuous: average derivative; factor: average level-vs-reference contrast),
averaged over the observed data. Cleaner than reading raw coefficients,
especially with splines/interactions (cf. the margins package; stm #271).
Arguments
- object
A
faSTM_effect(fromestimateEffect()).- covariate
Covariate name.
- topics
Topics to report (default: all in the fit).
- h
Step for the numeric derivative (continuous covariates); defaults to
0.01 * sd.- ci
Confidence level.