beverage sales prediction
DESCRIPTION
Beverage salesTRANSCRIPT
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Beverage SalesKEVIN BERNHARDT
TROY BUCKNER
BRIAN GALVIN
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IntroductionPurpose: Predict alcoholic beverage sales by customer.
Several key variables:◦ 4 brands
◦ Brian's BoonDoggle Tequila◦ Hooch McCoy's Very Fine Shine ◦ Bernhardt's Fire Lovin Bourbon◦ They Call Me T Buck
◦ 2011-2013◦ Customers (Bars, Restaurants, Liquor stores)◦ 5 wealthiest Florida zip codes
◦ http://www.esri.com/library/articles/wealthiest-zip-codes-2013.pdf
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K Nearest Neighbor
K=2 Optimal K
Efforts to improve results◦ Score categorical data (normalize)
◦ Gather more data
◦ Increase training set size
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Neural Network
Had the least ability to predict
Best result had an average error .97◦ That was 60% of the average order
◦ 2 layers and 10 nodes each was best model
Strangely produced lift chart similar to MLR
The alcohol must have burnt up the neurons
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Multiple Linear Regression- Used best subset feature to improve accuracy
- r-squared value of .15
- Report Channel variable was the largest determinate of outcome with coefficient of 3.18
- Low p-values for bottles per case and zip code mean that they were fairly accurate predictors, but not overly influential in predicting the outcome
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Results
Red: Neural Network
Black: Multiple Linear Regression
Blue: k-Nearest Neighbor
Statistical tool Total sum of squared errors RMS Error Average Error
k-Nearest Neighbor 68651.90 7.98 0.34
Multiple Linear Regression 79113.94 7.49 -0.13
Neural Net 81334.64 7.60 0.98
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ConclusionMLR provided best predictive model.