Description Usage Arguments Value
Calculate the gradient of the log transformed ascertainment correction under designs that sample based on a bivariate Q_i (numerically)
1 2 | logACi2q.score(subjectData, w.function, beta, sigma0, sigma1, rho, sigmae,
cutpoints, SampProb)
|
subjectData |
a list containing: yi, xi, zi |
w.function |
Sampling variable q_i function "mean", "intercept", "slope", "bivar". This only gets called if w.function="bivar" |
beta |
mean model parameter p-vector |
sigma0 |
std dev of the random intercept distribution |
sigma1 |
std dev of the random slope distribution |
rho |
correlation between the random intercept and slope |
sigmae |
std dev of the measurement error distribution |
cutpoints |
cutpoints defining the sampling regions. (a vector of length 4 c(xlow, xhigh, ylow, yhigh)) |
SampProb |
Sampling probabilities from within each region (vector of length 2 c(central region, outlying region)). |
gradient of the log transformed ascertainment correction under the bivariate sampling design
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