Reading: Reading Skills data

ReadingR Documentation

Reading Skills data

Description

Data for assessing the contribution of non-verbal IQ to children's reading skills in dyslexic and non-dyslexic children.

Format

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 quantitative measure of the children's non verbal abilities.

Details

The data were originally analyzed by Pammer and Kevan (2004) and successively used by Smithson and Verkuilen (2006) and by Migliorati et al. (2018).

Source

betareg.

References

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.


FlexReg documentation built on Sept. 16, 2022, 5:06 p.m.