survreg.control: Package options for survreg and coxph
Description
This functions checks and packages the fitting options for 
survregUsage
survreg.control(maxiter=30, rel.tolerance=1e-09, 
toler.chol=1e-10, iter.max, debug=0, outer.max=10)
Arguments
maxiter
maximum number of iterations
rel.tolerance
relative tolerance to declare convergence
toler.chol
Tolerance to declare Cholesky decomposition singular
debug
print debugging information
outer.max
maximum number of outer iterations for choosing
    penalty parameters
Value
- A list with the same elements as the input