BSDA: Readiq – R documentation

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Readiq

Reading scores versus IQ scores

Description

Data for Exercises 2.10 and 2.53

Usage

Readiq

Format

A data frame/tibble with 14 observations on two variables

reading: reading achievement score
iq: IQ score

References

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

Examples

plot(reading ~ iq, data = Readiq)
model <- lm(reading ~ iq, data = Readiq)
abline(model, col = "purple")
predict(model, newdata = data.frame(iq = c(100, 120)))
residuals(model)[c(6, 7)]
rm(model)

BSDA

Basic Statistics and Data Analysis

v1.2.0

GPL (>= 2)

Authors

Alan T. Arnholt [aut, cre], Ben Evans [aut]

Initial release

2017-07-29