ssr.control | R Documentation |
The values supplied in the function call replace the defaults and a list with all possible arguments is returned. The returned list is used as the ‘control’ argument to the ‘ssr’ function.
ssr.control(job=-1, tol=0.0, init=0.0, theta, prec=1e-06,
maxit=30, tol.g=0.0, prec.g=1e-06, maxit.g=30)
job |
an integer representing the optimization method used to find the smoothing parameter.
The options are job=-1: golden-section search on (limnla(1), limnla(2));
job=0: golden-section search with interval specified automatically;
job >0: regular grid search on |
tol |
tolerance for truncation used in ‘dsidr’ or ‘dmudr’. Default is 0.0 which sets to square of machine precision. |
init |
init=0 means no initial values are provided for smoothing parameters theta; init=1 means initial values are provided for the theta. Default is 0. This option is only applicable to smoothing spline models with multiple smoothing parameters. |
theta |
If init=1, theta includes intial values for smoothing parameters. Default is NULL. This is only applicable to smoothing spline models with multiple smoothing parameters. |
prec |
precision requested for the minimum score value in ‘dmudr’, where precision is the weaker of the absolute and relative precisions. Default is 1e-06. This is only applicable to smoothing spline models with multiple smoothing parameters. |
maxit |
maximum number of iterations allowed in ‘dmudr’. Default is 30. This is only applicable to smoothing spline model with multiple smoothing parameters. |
tol.g |
the tolerance for elements of w's in GRKPK. Default is 0.0 which means using the machine precision. This is only applicable to generalized spline smoothing. |
prec.g |
precision for stopping the iteration in GRKPK. Default is 1e-06. This is only applicale to generalized spline smoothing. |
maxit.g |
maximum number of iterations allowed for the iteration in GRKPACK. Default is 30. This is only applicale to generalized spline smoothing. |
a list with components for each of the possible arguments.
ssr
## Not run:
# use regular grid seach method with 100 grid points
ssr.control(job=99)
## End(Not run)
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