| Line 24... |
Line 24... |
| 24 |
\item{value}{an appropriate named list of attributes, or \code{NULL}.}
|
24 |
\item{value}{an appropriate named list of attributes, or \code{NULL}.}
|
| 25 |
}
|
25 |
}
|
| 26 |
\details{
|
26 |
\details{
|
| 27 |
Unlike \code{\link{attr}} it is possible to set attributes on a
|
27 |
Unlike \code{\link{attr}} it is possible to set attributes on a
|
| 28 |
\code{NULL} object: it will first be coerced to an empty list.
|
28 |
\code{NULL} object: it will first be coerced to an empty list.
|
| 29 |
|
29 |
|
| 30 |
Note that some attributes (namely \code{\link{class}},
|
30 |
Note that some attributes (namely \code{\link{class}},
|
| 31 |
\code{\link{comment}}, \code{\link{dim}}, \code{\link{dimnames}},
|
31 |
\code{\link{comment}}, \code{\link{dim}}, \code{\link{dimnames}},
|
| 32 |
\code{\link{names}}, \code{\link{row.names}} and
|
32 |
\code{\link{names}}, \code{\link{row.names}} and
|
| 33 |
\code{\link{tsp}}) are treated specially and have restrictions on
|
33 |
\code{\link{tsp}}) are treated specially and have restrictions on
|
| 34 |
the values which can be set. (Note that this is not true of
|
34 |
the values which can be set. (Note that this is not true of
|
| Line 53... |
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| 53 |
\code{\link{row.names}} are assigned correctly for data frames.
|
53 |
\code{\link{row.names}} are assigned correctly for data frames.
|
| 54 |
|
54 |
|
| 55 |
The names of a pairlist are not stored as attributes, but are reported
|
55 |
The names of a pairlist are not stored as attributes, but are reported
|
| 56 |
as if they were (and can be set by the replacement form of
|
56 |
as if they were (and can be set by the replacement form of
|
| 57 |
\code{attributes}).
|
57 |
\code{attributes}).
|
| 58 |
|
58 |
|
| 59 |
Both assignment and replacement forms of \code{attributes} are
|
59 |
Both assignment and replacement forms of \code{attributes} are
|
| 60 |
\link{primitive} functions.
|
60 |
\link{primitive} functions.
|
| 61 |
}
|
61 |
}
|
| 62 |
\references{
|
62 |
\references{
|
| 63 |
Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988)
|
63 |
Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988)
|