Description Usage Arguments Details Value See Also Examples
A utility function for coxdual
that gives the slope
corresponding to values from a piecewise linear function of time.
1 |
lin |
a matrix whose columns give the (possibly multivariate) piecewise linear function values, time points and strata. |
time |
an integer or character value indicating the column index or name of
the time variable in the matrix |
stratum |
integer or character value for the column index or name of the
stratifying variable in the matrix |
This is a utility function for coxdual
.
A matrix of the same dimension as lin
.
1 2 3 4 5 6 7 |
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