Description Usage Arguments Details Value
varnames and units are useful attributes that can store
original variable names (varnames) and units of measurement
(units) of each column in a data frame or of an atomic type. These
attributes can be extracted or assigned by following functions.
1 2 3 4 5 6 7 |
x |
A data frame or an atomic type. |
names |
A logical value. Applies only in case of data frames. If
|
value |
An atomic type that represents |
Functions check whether the extracted or assigned attributes contain elements
with NULL, NA, "" values or if length of each element is
higher than 1. In these cases, such elements are substituted with
"-".
For varnames and units, a character vector.
For varnames<- and units<-, the updated object x.
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