diag1: Examination dataset
In R2MLwiN: Running 'MLwiN' from Within R

diag1

R Documentation

Examination dataset

Description

Examination data for 907 students within 18 schools.

Usage

diag1

Format

A data frame with 907 observations on the following 9 variables:

school: School identifier.
sex: Pupil gender.
vrq: Verbal Reasoning quotient.
ilea: O-level/CSE examination results.
type: School type: a factor with levels Comprehensive and Grammar.
pupil: Pupil identifier.
cons: Constant (=1).
n_ilea: O-level/CSE examination results (normal scores).
n_vrq: Verbal Reasoning quotient (normal scores).

Details

The diag1 dataset is one of the sample datasets provided with the multilevel-modelling software package MLwiN (Rasbash et al., 2009), originally analysed in Aitkin & Longford (1986), and described further in Rasbash et al. (2012).

Source

Rasbash, J., Charlton, C., Browne, W.J., Healy, M. and Cameron, B. (2009) MLwiN Version 2.1. Centre for Multilevel Modelling, University of Bristol.

Rasbash, J., Steele, F., Browne, W.J., Goldstein, H. (2012) A User's Guide to MLwiN v2.26. University of Bristol: Centre for Multilevel Modelling.

Aitkin, M. & Longford, N. (1986). Statistical modelling in school effectiveness studies (with discussion). Journal of the Royal Statistical Society, Series A, 149:1-43.

Examples


## Not run: 

data(diag1, package = "R2MLwiN")

(mymodel <- runMLwiN(n_ilea ~ 1 + n_vrq + (1 + n_vrq | school) + (1 | pupil),
  estoptions = list(resi.store = TRUE, resioptions = c("standardised",
  "leverage", "influence", "deletion")), data = diag1))


## End(Not run)

R2MLwiN documentation built on May 29, 2024, 2:10 a.m.