Word scores from reference texts with known positions and the scores,
standard errors and LBG-rescaled scores of virgin texts.
Usage
Wordscores(ref_counts, ref_scores, virgin_counts, rescale = TRUE)
Arguments
- ref_counts
Reference texts by words count matrix.
- ref_scores
Reference positions.
- virgin_counts
Virgin texts by words count matrix.
- rescale
Apply the LBG rescaling (needs two or more virgin texts).
Value
list(word_scores, raw, se, rescaled).
References
Laver, M., Benoit, K. and Garry, J. (2003). Extracting policy
positions from political texts using words as data. American Political
Science Review 97, 311-331.
Examples
Wordscores(rbind(c(2, 0, 2), c(0, 2, 2)), c(-1, 1), rbind(c(1, 1, 2)), rescale = FALSE)$raw
#> [1] 0
