Description Usage Arguments Objects from the Class Slots See Also Examples
An object containing constraint checks intended to be
used on a data.frame
.
1 | TableChecks(columns = ColumnCheckList(), ...)
|
columns |
|
... |
Data to include in the new object. Named arguments correspond to slots in the class definition. |
Objects can be created by calls of the form
TableChecks(...)
.
columns
:"ColumnCheckList"
.
Column-level constraints.
exclusive
:"logical"
. If
TRUE
, then the data.frame
can only contain
the columns in columns
. If FALSE
, the
data.frame
still must contain the columns in
columns
, but can contain additional columns.
ordered
:"logical"
. If TRUE
,
the columns in the data.frame
must appear in the
same order as they are listed in columns
, and
those columns must be the first columns in the
data.frame
. If FALSE
, the the columns in
columns
can appear anywhere in the
data.frame
.
exclude
:"character"
. A list of
column names which cannot be in the data frame.
constraints
:"FunctionList"
.
Additional arbitrary constraints. Each function must
return either TRUE
if the constraint is satisfied,
or FALSE
if it is violated.
Other Check.objects: ColumnCheckList
,
ColumnCheckList
,
ColumnChecks
, ColumnChecks
1 | showClass("TableChecks")
|
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