Description Usage Arguments Details Value Author(s) See Also Examples
Calculates a frequency table counting the number of times each pair of states were observed in successive observation times. This can be a useful way of summarising multi-state data.
1 | statetable.msm(state, subject, data=NULL)
|
state |
Observed states, assumed to be ordered by time within each subject. |
subject |
Subject identification numbers corresponding to
|
data |
An optional data frame in which the variables represented
by |
If the data are intermittently observed (panel data) this table should not be used to decide what transitions should be allowed in the Q matrix, which works in continuous time. This function counts the transitions between states over a time interval, not in real time. There can be observed transitions between state r and s over an interval even if q_{rs}=0, because the process may have passed through one or more intermediate states in the middle of the interval.
A frequency table with starting states as rows and finishing states as columns.
C. H. Jackson chris.jackson@mrc-bsu.cam.ac.uk
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