match_multi: Match across columns for multiple lookup values
In jackwasey/jwutil: Tools for Data Manipulation and Testing

Description Usage Arguments Value Examples

This provides a succinct way to query a data frame for conditions, which is otherwise very verbose in base R or dplyr

1	match_multi(x, cols, table, incomparables = NULL)

`x`	data.frame
`cols`	character vector of column names to be found in `x`
`table`	vector of items to find
`incomparables`	passed on to the base function `match`

matrix with same number of rows as x, and a column for each of cols

j <- cars[1:10, ]
match_multi(j, "speed", 7)
match_multi(j, "dist", 22)
match_multi(j, c("speed", "dist"), 10)
match_multi(j, c("speed", "dist"), c(7, 17))