Description Usage Arguments Details Value References See Also Examples
Maximum likelihood estimation for a random effects model for multivariate meta-analysis.
1 | ML(y, S, maxitr = 200)
|
y |
N x p matrix of outcome variables. |
S |
Series of within-study covariance matrices of the outcome variables. A matrix or data frame with N rows and p(p+1)/2 columns. |
maxitr |
The maximum iteration number of the Newton-Raphson algorithm. |
The correlation matrix of the between-studies covariance matrix is set to compound symmetry with the correlation coefficient 0.50. It can be changed by modifying the source code. Please see Noma et al. (2017) for details.
Coefficients |
The maximum likeliood estimate of the grand mean vector and its standard error (SE) with the 95% confidence interval. |
Between-studies_SD |
The maximum likeliood estimate of the between-studies standard deviance (SD). |
Between-studies_COR |
The correlation coefficient of the between-studies correlation matrix. |
Loglikelihood |
The loglikelihood at the converged point. |
Jackson, D., Riley, R., White, I. R. (2011). Multivariate meta-analysis: Potential and promise. Statistics in Medicine. 30: 2481-2498.
Noma, H., Nagashima, K., Maruo, K., Gosho, M., Furukawa, T. A. (2017). Bartlett-type corrections and bootstrap adjustments of likelihood-based inference methods for network meta-analysis. ISM Research Memorandum 1205.
Other ML: REML
1 2 3 4 5 | # dae <- data.aug.edit(smoking)
# y <- dae$y
# S <- dae$S
# ML(y, S)
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