Description Usage Arguments Value
Check to see if a column/vector can be used as an id variable.
1 |
x |
Vector or dataframe. |
keys |
Combination of variables to check as unique key. |
logical indicating whether or not 'x' has distinct elements. If a dataframe was given, a vector of logicals.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.