check is a generic S3 method for S3 classes inheriting
from item. It is a logical method checking if the item is well-defined
with respect to a risk (i.e. that all information necessary for valuating
the item is available).
# S3 method for asset
check(object, market.risk, ...)S3 object of class asset.
S3 object of class marketRisk created using
the constructor marketRisk.
additional arguments.
a logical value, is the asset consistent with the marketRisk?
check, asset,
marketRisk.