isid {eeptools} | R Documentation |
A function to check if a set of variables form a unique ID in a dataframe.
Description
When passed a set of variable names and a dataframe, this function returns a check TRUE/FALSE whether or not the variables together uniquely identify a row in the dataframe.
Usage
isid(data, vars, verbose = FALSE)
Arguments
data |
A dataframe. |
vars |
A character vector specifying the column names in the dataframe to check as unique. |
verbose |
A logical, default FALSE. If TRUE, isid will tell you how many rows you need and how many your variables uniquely identify |
Value
TRUE or FALSE. TRUE indicates the variables uniquely identify the rows. FALSE indicates they do not.
Author(s)
Jared E. Knowles
Examples
data(stuatt)
isid(stuatt, vars = c("sid"))
isid(stuatt, vars = c("sid", "school_year"))
isid(stuatt, vars = c("sid", "school_year"), verbose = TRUE)
[Package eeptools version 1.2.5 Index]