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# input data - what we need

A LIMITED SCOPE: 50 distinct products.

At least 2 years of historic if weekly, 5 years if monthly.

For the DATA we need two things:

1. Wich granularity is needed for the forecast (weekly, monthly?)

2. Data in a csv file with the following columns:

product_site_id: item id or name (unique for each product) - reference

main_category: principal category (OPTIONAL)

sub_category: sub category (OPTIONAL)

date: date of the event

demand: value of demand

#### examples of csv file

product_site_id | main_category | sub_category | date | demand
--- | --- | --- | --- | ---
object_0 | meubles | couch | 01/01/2021 | 10
object_0 | meubles | couch | 02/01/2021 | 50
object_0 | meubles | couch | 03/01/2021 | 15
object_1 | electronic | tv | 01/01/2021 | 100
object_1 | electronic | tv | 05/01/2021 | 200
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