Description Usage Arguments Value References See Also Examples
View source: R/intermediate.corr.BB.R
Computes an intermediate normal correlation matrix for binary variables before dichotomization given the specified correlation matrix.
1 | intermediate.corr.BB(n.P, n.B, n.C, prop.vec, corr.vec = NULL, corr.mat = NULL)
|
n.P |
Number of Poisson variables. |
n.B |
Number of binary variables. |
n.C |
Number of continuous variables. |
prop.vec |
Proportion vector for binary variables. |
corr.vec |
Vector of elements below the diagonal of correlation matrix ordered column-wise. |
corr.mat |
Specified correlation matrix. |
A correlation matrix of size n.B*n.B.
Demirtas, H., Hedeker, D., and Mermelstein, R.J. (2012). Simulation of massive public health data by power polynomials. Statistics in Medicine, 31(27), 3337-3346.
intermediate.corr.PB
, intermediate.corr.BC
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | ## Not run:
n.P<-2
n.B<-2
n.C<-2
prop.vec=c(0.4,0.7)
corr.vec = NULL
corr.mat=matrix(c(1.0,-0.3,-0.3,-0.3,-0.3,-0.3,
-0.3,1.0,-0.3,-0.3,-0.3,-0.3,
-0.3,-0.3,1.0,0.4,0.5,0.6,
-0.3,-0.3,0.4,1.0,0.7,0.8,
-0.3,-0.3,0.5,0.7,1.0,0.9,
-0.3,-0.3,0.6,0.8,0.9,1.0),6,by=TRUE)
intmatBB=intermediate.corr.BB(n.P,n.B,n.C,prop.vec,corr.vec=NULL,corr.mat)
intmatBB
## End(Not run)
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