designing machines for data mining
Post on 16-Apr-2017
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DESIGNING MACHINES FOR DATA MINING
Alexander Efremov
Challenges in Retail Industry
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Data Science, Data
Data Mining Workflows – Specifics
Analytics for Retail
Agenda
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Data Science?
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Data Science?
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Data?
Data Science?
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Data Mining Workflows – Specifics
Use Data
Use Business Logic
Reduce/Remove human intervention
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Analytics for Retail Why A4Retail?
Demand forecast, Storage planning, Price Optimization, etc.
Retail System – Spec.Dynamic, Time-Varying, Non-Linear, MIMO system
Retail Data – Spec.Missings, Outliers, Uninformative vars, Seasonality, Trend, etc.
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……
Analytics for Retail
……
…Retail
System
product1:price, disc., adv., disp...
sale1
salen
…
weather
social events
other
productn:price, disc., adv., disp...
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…
Analytics for Retail
Data Prep Modelling Validation
Business knowledgeData
Model
OK?no yes Sales
Forecast& Stats
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Analytics for RetailData PrepCleaning- Miss, Outs, LowVarPreprocessing- Vars decomp. /detrend,
deseas./- Transform- Standardization- Remove multicol., etc.
Modelling & ValidationMultistage modellingSWR - Model devModel val
Sales forecast & StatsModel destandardizationDetransformationAdd trend & seas
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Analytics for Retail Wrong Interconnections
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Analytics for Retail Multistage Modelling
Modelling 2
Modelling 1Fact. Set 1Product
Modelling 3
Fact. Set 2Category
Fact. Set 3Rest
y
e1
e2
Depend.
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Analytics for Retail A4Retail – Results
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alexander.efremov@a4everyone.com
Thank you!
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