data science course singapore data science course singapore | Page 13
Forecasting Strategy – Step 2
#1 Data Quality
#2 Temporal Frequency
• Typically small sample, so need
good quality • Should we use real-Hme Hcket
collecHon data?
• Data same as series to be
forecasted • Balance between signal & noise
• AggregaHon / DisaggregaHon
Data
Collec-on
#4. Domain exper4se
#3 Series Granularity?
• Coverage of the data –
Geographical, populaHon, Hme,…
• Should be aligned with goal
• Necessary informaHon source
• Affects modeling process from start
to end
• Level of communicaHon/
coordinaHon between forecasters &
domain experts
© 2013 ExcelR Solutions. All Rights Reserved