Summary method for 'sim' objects
sim object
(optional) columns with estimates
(optional) columns with standard error estimates
(optional) list of pairs of columns with confidence limits
(optional) vector of true parameter values
(optional) summary function
(optional) names of estimates
if TRUE, unique.names will be applied to column names
if TRUE, minimal summary will be returned
confidence level (0.95)
quantiles (0,0.025,0.5,0.975,1)
additional levels to lower-level functions