xstudy: Simulated cross-study data

Description Usage Format Source References

Description

Data are simulated as part of a larger study (Curran et al., 2016; Curran et al., under review). Meant to simulate a dataset pooled across two studies, with 12 indicators and 3 moderators (age, gender, and study). Impact and DIF exist on the basis of these moderators.

Usage

1

Format

A data frame with 500 rows and 25 columns. The 25 variables are:

ID

Unique identifier

AGE

Age in years, centered around age 13

GENDER

Effect-coded gender

STUDY

Effect-coded study membership

STUDYAGE

Interaction between age and study

TRUEETA

True score on latent variable for each subject – not used in analysis

STUDYETA

Interaction between study and score – not used in analysis

ZETA

Deviation score – not used in analysis

W

External covariate for original simulation – not used in analysis

Z1

External outcome for original simulation – not used in analysis

Z2

External outcome for original simulation – not used in analysis

Z3

External outcome for original simulation – not used in analysis

Z4

External outcome for original simulation – not used in analysis

BIN_1

Binary item 1

BIN_2

Binary item 2

BIN_3

Binary item 3

BIN_4

Binary item 4

BIN_5

Binary item 5

BIN_6

Binary item 6

BIN_7

Binary item 7

BIN_8

Binary item 8

BIN_9

Binary item 9

BIN_10

Binary item 10

BIN_11

Binary item 11

BIN_12

Binary item 12

Source

Curran et al., 2016 (PubMed)

References

Curran et al., 2016 Structural Equation Modeling 23(6), 827-844. (PubMed)


aMNLFA documentation built on May 2, 2019, 9:59 a.m.

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