checkkey {diffdfs} | R Documentation |
Checks that a provided vector of column names constitue a unique key (that is, no rows are duplicated) for a dataframe.
checkkey(df, key_cols, verbose = FALSE)
df |
a dataframe |
key_cols |
vector of column names |
verbose |
TRUE/FALSE should we print a message? |
TRUE if key cols have unique rows; FALSE if not
irisint = iris
irisint$rownum = 1:nrow(irisint)
key_cols = c("rownum")
checkkey(irisint, key_cols, TRUE)
checkkey(irisint, "Species", TRUE)