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2012 Jan 19
0
state multi-state modeling using hidden markov routine in the msm package
Hello Chris,
I am trying to fit a 4 state multi-state model using hidden markov routine in the msm package.
1. initial parameters:
twoway4.q <- rbind(c(0, 0.25, 0, 0.25), c(0.166,
0, 0.166, 0.166), c(0, 0.25, 0, 0.25), c(0,
0, 0, 0))
ematrix <- rbind(
c(0, 0.01, 0, 0),
c(0.01, 0, 0.01,0),
c(0, 0.1, 0, 0),
c(0, 0, 0, 0))
2. the model:
msm_covariates_sexandage <- msm(state ~ duration, subject = SerialNo,
data = Data, qmatrix = twoway4.q, ematrix = ematrix,death = 4, obstrue = firstobs, covariates = ~ sex + age, method = "B...
2004 Nov 05
0
R check passes code and docs that don't match
...'t
flag it.
in mspath.R
mspath <- function(formula, # formula with observed Markov states
~ observation times (required)
qmatrix, # matrix of 1s and 0s with indices of
allowed transitions (diagonal is ignored) (required)
misc = FALSE,
ematrix = NULL, # matrix of 1s and 0s with indices of
allowed misclassfications (diagonal is ignored) (required)
inits, # initial values of optimisation or fixed
values (required)
subject = NULL, # optional, defaults to all the same if
not given
covar...