diag1: Examination dataset

Description Format Details Source Examples

Description

Examination data for 907 students within 18 schools.

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

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## 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 July 8, 2020, 5:49 p.m.

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