GAIPE (version 1.1)

AIPE.RMSEA: Sample size planning by AIPE approach on RMSEA

Description

Performs sample size planning by AIPE approach for RMSEA.

Usage

AIPE.RMSEA(rmsea, df, width, clevel = 0.95)

Arguments

rmsea

expected RMSEA.

df

model degrees of freedom.

width

desired confidence width.

clevel

confidence level (e.g., .90, .95, etc.).

Value

Return the necessary sample size that satisfies the desired width of a confidence interval.

References

Kelley, K., & Lai, K. (2011). Accuracy in parameter estimation for the root mean square error of approximation: Sample size planning for narrow confidence intervals. Multivariate Behavioral Research, 46, 1-32. doi: 10.1080/00273171.2011.543027

Examples

# NOT RUN {
AIPE.RMSEA(rmsea=.05,df=30,width=.02,clevel=.95)
# }