data.frame(..., row.names = NULL, col.names = NULL, as.is = FALSE) as.data.frame(x) is.data.frame(x) row.names(data.frame.obj) print(data.frame.obj)
...
|
these arguments are of either the form value or
tag=value . Component names are created based on the tag (if
present) or the deparsed argument itself.
|
row.names
| a character vector giving the row names for the data frame. |
col.names
| a character vector giving names for the variables in the data frame. |
as.is
| a logical value indicating whether character variables should be left ``as is'' or converted to factors. |
as.data.frame
attempts to coerce its argument to be a data
frame.
is.data.frame
returns TRUE
if its argument is a data
frame and FALSE
otherwise.
read.table
.