Choosing the aggregation scheme by optimising it against the target, instead of fixing it in advance.
The vignette for the sentometrics R package — one coherent workflow from raw texts to a sentiment-based forecast.
The doctoral work behind the sentometrics framework — a unified treatment of textual sentiment analysis for economic and financial applications.
The survey that defines the field: how qualitative sentiment in text becomes a quantitative variable, and how that variable enters an econometric analysis.
The methodology behind the sentometrics package, applied to US economic growth — and the source of the topical US sentiment indices.
Doctoral work on latent-variable modelling in economics and finance, and one of the foundations of the sentometrics programme.