Method: Polars::ArrayNameSpace#sum

Defined in:
lib/polars/array_name_space.rb

#sum ⇒ Series

Compute the sum values of the sub-arrays.

Examples:

df = Polars::DataFrame.new(
  {"a" => [[1, 2], [4, 3]]},
  schema: {"a" => Polars::Array.new(2, Polars::Int64)}
)
df.select(Polars.col("a").arr.sum)
# =>
# shape: (2, 1)
# ┌─────┐
# │ a   │
# │ --- │
# │ i64 │
# ╞═════╡
# │ 3   │
# │ 7   │
# └─────┘

Returns:


73
74
75
 
# File 'lib/polars/array_name_space.rb', line 73

def sum
  super
end