Reading | R Documentation |
Data for assessing the contribution of non-verbal IQ to children's reading skills in dyslexic and non-dyslexic children.
A data.frame
containing 44 observations on 4 variables.
accuracy
a reading score.
accuracy.adj
the adjusted reading score: the observed 1's (perfect reading scores) are substituted with 0.99.
dyslexia
a factor indicating wheter the child is dyslexic.
iq
a standardized quantitative measure of the children's non verbal abilities.
The data were originally analyzed by Pammer and Kevan (2004) and successively used by Smithson and Verkuilen (2006) and by Migliorati et al. (2018).
Cribari-Neto, F., Zeileis, A. (2010). Beta Regression in R. Journal of Statistical Software, 34(2), 1–24.
Di Brisco, A. M., Migliorati, S. (2020). A new mixed-effects mixture model for constrained longitudinal data. Statistics in Medicine, 39(2), 129–145. doi:10.1002/sim.8406
Migliorati, S., Di Brisco, A. M., Ongaro, A. (2018). A New Regression Model for Bounded Responses. Bayesian Analysis, 13(3), 845–872. doi:10.1214/17-BA1079
Smithson, M., Verkuilen, J. (2006). A Better Lemon Squeezer? Maximum-Likelihood Regression with Beta-Distributed Dependent Variables. Psychological Methods, 11(7), 54–71.
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