GroupBy: GroupBy

In shapelets/khiva-r: KHIVA-R library.

Description

Group by operation in the input array using n.columns.key columns as group keys and n.columns.value columns as values. The data is expected to be sorted. The aggregation function determines the operation to aggregate the values.

Usage

GroupBy(arr, aggregation.function, n.columns.key = 1,
  n.columns.value = 1)

Arguments

arr	KHIVA Array with the time series.
aggregation.function	Function to be used in the aggregation. It receives an integer which indicates the function to be applied: 0 : mean, 1 : median 2 : min, 3 : max, 4 : stdev, 5 : var, default : mean
n.columns.key	Number of columns conforming the key.
n.columns.value	Number of columns conforming the value (they are expected to be consecutive to the column keys).

Value

KHIVA Array with the values of the group keys aggregated using the aggregation_function.

shapelets/khiva-r documentation built on June 10, 2019, 4:58 a.m.