fold_dt_rec {dbnR}

Widens the dataset to take into account the t previous time slices

Description

This will widen the dataset to put the t previous time slices in each row, so that it can be used to learn temporal arcs in the second phase of the dmmhc. Recursive version not exported, the user calls from the handler 'fold_dt'

Usage

fold_dt_rec(dt, n_prev, size, slice = 1)

Arguments

dt

the data.table to be treated

n_prev

names of the previous time slice

size

number of time slices to unroll. Markovian 1 would be size 2

slice

the current time slice being treated. Should not be modified when first calling.

Value

the extended data.table