Wong: Post-Coma Recovery of IQ

Description Usage Format Details Source References Examples

Description

The Wong data frame has 331 row and 7 columns. The observations are longitudinal data on recovery of IQ after comas of varying duration for 200 subjects.

Usage

1

Format

This data frame contains the following columns:

id

patient ID number.

days

number of days post coma at which IQs were measured.

duration

duration of the coma in days.

sex

a factor with levels Female and Male.

age

in years at the time of injury.

piq

performance (i.e., mathematical) IQ.

viq

verbal IQ.

Details

The data are from Wong, Monette, and Weiner (2001) and are for 200 patients who sustained traumatic brain injuries resulting in comas of varying duration. After awakening from their comas, patients were periodically administered a standard IQ test, but the average number of measurements per patient is small (331/200 = 1.7).

Source

Wong, P. P., Monette, G., and Weiner, N. I. (2001) Mathematical models of cognitive recovery. Brain Injury, 15, 519–530.

References

Fox, J. (2016) Applied Regression Analysis and Generalized Linear Models, Third Edition. Sage.

Examples

1


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