Check inequality
Description
This propagates null values, i.e. any comparison involving
null
will return null
. Use
$ne_missing()
to consider null values as equal.
Usage
<Expr>$ne(other)
Arguments
other
|
A literal or expression value to compare with. |
Value
A polars expression
See Also
expr__ne_missing
Examples
library("polars")
df <- pl$DataFrame(x = c(NA, FALSE, TRUE), y = c(TRUE, TRUE, TRUE))
df$with_columns(
ne = pl$col("x")$ne(pl$col("y")),
ne_missing = pl$col("x")$ne_missing(pl$col("y"))
)
#> shape: (3, 4)
#> ┌───────┬──────┬───────┬────────────┐
#> │ x ┆ y ┆ ne ┆ ne_missing │
#> │ --- ┆ --- ┆ --- ┆ --- │
#> │ bool ┆ bool ┆ bool ┆ bool │
#> ╞═══════╪══════╪═══════╪════════════╡
#> │ null ┆ true ┆ null ┆ true │
#> │ false ┆ true ┆ true ┆ true │
#> │ true ┆ true ┆ false ┆ false │
#> └───────┴──────┴───────┴────────────┘