IQ {mffSM} | R Documentation |
Data from a certain pedagogical research involving children from last two years of the Primary School. The research was directed towards examination of the relationship between intelligence expressed by IQ and school results expressed by the mean grade on a school report from the middle of the 7th and 8th years of the Primary School (prelast and last year of the Primary School in the Czech Republic at the time of the research). The grading scale goes from 1 to 5 with 1 being the best grade.
Data are used for some illustrations in the book Regrese by Karel Zvára (Zvára, 2008).
data(IQ)
A data.frame
with 111 rows and the following variables.
gender of a child, 0 = girl, 1 = boy
factor
with levels girl/boy corresponding to the variable gender
IQ of a child
a mean grade from the school report from the middle of the 7th year
a mean grade from the school report from the middle of the 8th year
http://msekce.karlin.mff.cuni.cz/~zvara/regrese/kniha/R.ZIP
Zvára, K. (2008). Regrese. Praha: Matfyzpress. ISBN 978-80-7378-041-8.
data(IQ) summary(IQ)