Method: Polars::Expr#tail

Defined in:

lib/polars/expr.rb

#tail(n = 10) ⇒ Expr

Get the last n rows.

Examples:

df = Polars::DataFrame.new({"foo" => [1, 2, 3, 4, 5, 6, 7]})
df.tail(3)
# =>
# shape: (3, 1)
# ┌─────┐
# │ foo │
# │ --- │
# │ i64 │
# ╞═════╡
# │ 5   │
# │ 6   │
# │ 7   │
# └─────┘

Parameters:

• n (Integer) (defaults to: 10) —

  Number of rows to return.

Returns:

• (Expr)

# File 'lib/polars/expr.rb', line 3623

def tail(n = 10)
  wrap_expr(_rbexpr.tail(n))
end