GroupBy.Sum(String[]) Method
Definition
Important
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Compute the sum of group values
public abstract Microsoft.Data.Analysis.DataFrame Sum (params string[] columnNames);abstract member Sum : string[] -> Microsoft.Data.Analysis.DataFramePublic MustOverride Function Sum (ParamArray columnNames As String()) As DataFrameParameters
- columnNames
- String[]
The columns to sum. A Default value sums up all columns