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Copyright Data Profits 2015
6 Seasonal Index
Mistakes You Don’t Want
to Make
Do you frontload your key seasons or
reduce orders because your
replenishment system doesn’t quite
get the job done?
Copyright Data Profits 2015
Do you frontload your key seasons or
reduce orders because your
replenishment system doesn’t quite
get the job done?
You might be running into these
common seasonality issues that
cause retailers big headaches.
Copyright Data Profits 2015
Copyright Data Profits 2015
Promotions and Clearance
Your demand forecasting or
replenishment system doesn’t separate
off-price sales from regular-price sales.
Copyright Data Profits 2015
Promotions and Clearance
Your demand forecasting or
replenishment system doesn’t separate
off-price sales from regular-price sales.
This causes your system to see false
seasonality due to ads or overstock
markdowns.
Copyright Data Profits 2015
Promotions and Clearance
Copyright Data Profits 2015
Promotions and Clearance
0
100
200
300
400
500
600
700
Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec
Regular Sales Promo sales
Sales for Item A
Copyright Data Profits 2015
Promotions and Clearance
0
100
200
300
400
500
600
700
Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec
Regular Sales Promo sales Index with Promo
Sales for Item A
Do you really
want to forecast
those promo
sales?
Copyright Data Profits 2015
Promotions and Clearance
0
100
200
300
400
500
600
700
Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec
Regular Sales Promo sales Good Index
Sales for Item A
Or
forecast
without
promo?
Copyright Data Profits 2015
Lost Sales
The demand forecast does not include lost
sales in the calculation.
Copyright Data Profits 2015
Lost Sales
Copyright Data Profits 2015
Lost Sales
0
200
400
600
800
1000
1200
Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec
Beach Towel Sales
Regular Sales Lost Sales
Copyright Data Profits 2015
Lost Sales
0
200
400
600
800
1000
1200
Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec
Beach Towel Sales
Regular Sales Lost Sales
Don’t lose
these sales
next year!
Copyright Data Profits 2015
Moving Holidays
Your seasonal indexes rely on sales occurring
in the same week every year.
Copyright Data Profits 2015
Moving Holidays
Your seasonal indexes rely on sales occurring
in the same week every year.
What happens when Easter moves every
year?
Copyright Data Profits 2015
Moving Holidays
Copyright Data Profits 2015
Moving Holidays
March April
Copyright Data Profits 2015
Moving Holidays
March April
Copyright Data Profits 2015
Moving Holidays
March April
Copyright Data Profits 2015
Moving Holidays
March April
Copyright Data Profits 2015
Moving Holidays
March April
Copyright Data Profits 2015
Moving Holidays
March April
Your system
can’t catch
me!
Copyright Data Profits 2015
Changing Weather Patterns
Snow shovels and ice melt only sell when it
starts to snow.
Copyright Data Profits 2015
Changing Weather Patterns
Snow shovels and ice melt only sell when it
starts to snow.
If your system is relying on last year's sales,
you may miss the early snowstorm or load up
for snow that never comes.
Copyright Data Profits 2015
Changing Weather Patterns
Copyright Data Profits 2015
Changing Weather Patterns
Copyright Data Profits 2015
Changing Weather Patterns
Copyright Data Profits 2015
Changing Weather Patterns
Copyright Data Profits 2015
Changing Weather Patterns
Copyright Data Profits 2015
Changing Weather Patterns
Too soon??
Copyright Data Profits 2015
Forecast Smoothing
Some demand forecasting systems try to
smooth forecasts into pretty seasonal curves.
Copyright Data Profits 2015
Forecast Smoothing
Some demand forecasting systems try to
smooth forecasts into pretty seasonal curves.
Smoothing takes some of the in-season sales
and redistributes them to out-of-season
weeks.
Copyright Data Profits 2015
Forecast Smoothing
Copyright Data Profits 2015
Forecast Smoothing
0
200
400
600
800
1000
1200
1400
Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec
Beach Towels
Regular Sales
Copyright Data Profits 2015
Forecast Smoothing
0
200
400
600
800
1000
1200
1400
Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec
Beach Towels
Regular Sales Smoothed Forecast
Copyright Data Profits 2015
Forecast Smoothing
0
200
400
600
800
1000
1200
1400
Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec
Beach Towels
Regular Sales Smoothed Forecast
Do you want to
buy beach towels
in January?
Copyright Data Profits 2015
Forecast Smoothing
0
200
400
600
800
1000
1200
1400
Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec
Beach Towels
Regular Sales Smoothed Forecast
Do you want to
buy beach towels
in January?
Are you going
to buy enough
in June?
Copyright Data Profits 2015
Too Broad
Copyright Data Profits 2015
Too Broad
The same seasonal index is applied to many
locations and products.
Copyright Data Profits 2015
Too Broad
The same seasonal index is applied to many
locations and products.
Unfortunately, this leaves Texas and Wisconsin
stores with snow shovels at the same time.
Copyright Data Profits 2015
Too Broad
Copyright Data Profits 2015
Too Broad
Copyright Data Profits 2015
Too Broad
Copyright Data Profits 2015
Too Broad
Why do I
have
these?
Copyright Data Profits 2015
Too Broad
I need
more!
Fixing even one of these issues could increase
your GMROI, lower your average inventory
and make your customers happier.
Copyright Data Profits 2015
Fixing even one of these issues could increase
your GMROI, lower your average inventory
and make your customers happier.
Unfortunately, many demand forecasting
systems make correcting these issues difficult.
Copyright Data Profits 2015
At Data Profits we can help you fix your
seasonal indexes without all the
headaches.
Copyright Data Profits 2015
At Data Profits we can help you fix your
seasonal indexes without all the
headaches.
• user-friendly interface
• easy-to-read graphs
• customizable forecast alerts
• easier demand forecasting
Copyright Data Profits 2015
All Material Confidential - Copyright Data Profits 2013
Let us help you
“ Tighten the Links in your Chain™ ”
with better seasonal indexes!
Follow us on Twitter or LinkedIn and receive the latest info about
tutorials, articles, and more.
Copyright Data Profits 2015

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6 seasonal index mistakes you don’t want to make

  • 1. Copyright Data Profits 2015 6 Seasonal Index Mistakes You Don’t Want to Make
  • 2. Do you frontload your key seasons or reduce orders because your replenishment system doesn’t quite get the job done? Copyright Data Profits 2015
  • 3. Do you frontload your key seasons or reduce orders because your replenishment system doesn’t quite get the job done? You might be running into these common seasonality issues that cause retailers big headaches. Copyright Data Profits 2015
  • 4. Copyright Data Profits 2015 Promotions and Clearance
  • 5. Your demand forecasting or replenishment system doesn’t separate off-price sales from regular-price sales. Copyright Data Profits 2015 Promotions and Clearance
  • 6. Your demand forecasting or replenishment system doesn’t separate off-price sales from regular-price sales. This causes your system to see false seasonality due to ads or overstock markdowns. Copyright Data Profits 2015 Promotions and Clearance
  • 7. Copyright Data Profits 2015 Promotions and Clearance 0 100 200 300 400 500 600 700 Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec Regular Sales Promo sales Sales for Item A
  • 8. Copyright Data Profits 2015 Promotions and Clearance 0 100 200 300 400 500 600 700 Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec Regular Sales Promo sales Index with Promo Sales for Item A Do you really want to forecast those promo sales?
  • 9. Copyright Data Profits 2015 Promotions and Clearance 0 100 200 300 400 500 600 700 Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec Regular Sales Promo sales Good Index Sales for Item A Or forecast without promo?
  • 10. Copyright Data Profits 2015 Lost Sales
  • 11. The demand forecast does not include lost sales in the calculation. Copyright Data Profits 2015 Lost Sales
  • 12. Copyright Data Profits 2015 Lost Sales 0 200 400 600 800 1000 1200 Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec Beach Towel Sales Regular Sales Lost Sales
  • 13. Copyright Data Profits 2015 Lost Sales 0 200 400 600 800 1000 1200 Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec Beach Towel Sales Regular Sales Lost Sales Don’t lose these sales next year!
  • 14. Copyright Data Profits 2015 Moving Holidays
  • 15. Your seasonal indexes rely on sales occurring in the same week every year. Copyright Data Profits 2015 Moving Holidays
  • 16. Your seasonal indexes rely on sales occurring in the same week every year. What happens when Easter moves every year? Copyright Data Profits 2015 Moving Holidays
  • 17. Copyright Data Profits 2015 Moving Holidays March April
  • 18. Copyright Data Profits 2015 Moving Holidays March April
  • 19. Copyright Data Profits 2015 Moving Holidays March April
  • 20. Copyright Data Profits 2015 Moving Holidays March April
  • 21. Copyright Data Profits 2015 Moving Holidays March April
  • 22. Copyright Data Profits 2015 Moving Holidays March April Your system can’t catch me!
  • 23. Copyright Data Profits 2015 Changing Weather Patterns
  • 24. Snow shovels and ice melt only sell when it starts to snow. Copyright Data Profits 2015 Changing Weather Patterns
  • 25. Snow shovels and ice melt only sell when it starts to snow. If your system is relying on last year's sales, you may miss the early snowstorm or load up for snow that never comes. Copyright Data Profits 2015 Changing Weather Patterns
  • 26. Copyright Data Profits 2015 Changing Weather Patterns
  • 27. Copyright Data Profits 2015 Changing Weather Patterns
  • 28. Copyright Data Profits 2015 Changing Weather Patterns
  • 29. Copyright Data Profits 2015 Changing Weather Patterns
  • 30. Copyright Data Profits 2015 Changing Weather Patterns Too soon??
  • 31. Copyright Data Profits 2015 Forecast Smoothing
  • 32. Some demand forecasting systems try to smooth forecasts into pretty seasonal curves. Copyright Data Profits 2015 Forecast Smoothing
  • 33. Some demand forecasting systems try to smooth forecasts into pretty seasonal curves. Smoothing takes some of the in-season sales and redistributes them to out-of-season weeks. Copyright Data Profits 2015 Forecast Smoothing
  • 34. Copyright Data Profits 2015 Forecast Smoothing 0 200 400 600 800 1000 1200 1400 Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec Beach Towels Regular Sales
  • 35. Copyright Data Profits 2015 Forecast Smoothing 0 200 400 600 800 1000 1200 1400 Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec Beach Towels Regular Sales Smoothed Forecast
  • 36. Copyright Data Profits 2015 Forecast Smoothing 0 200 400 600 800 1000 1200 1400 Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec Beach Towels Regular Sales Smoothed Forecast Do you want to buy beach towels in January?
  • 37. Copyright Data Profits 2015 Forecast Smoothing 0 200 400 600 800 1000 1200 1400 Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec Beach Towels Regular Sales Smoothed Forecast Do you want to buy beach towels in January? Are you going to buy enough in June?
  • 38. Copyright Data Profits 2015 Too Broad
  • 39. Copyright Data Profits 2015 Too Broad The same seasonal index is applied to many locations and products.
  • 40. Copyright Data Profits 2015 Too Broad The same seasonal index is applied to many locations and products. Unfortunately, this leaves Texas and Wisconsin stores with snow shovels at the same time.
  • 41. Copyright Data Profits 2015 Too Broad
  • 42. Copyright Data Profits 2015 Too Broad
  • 43. Copyright Data Profits 2015 Too Broad
  • 44. Copyright Data Profits 2015 Too Broad Why do I have these?
  • 45. Copyright Data Profits 2015 Too Broad I need more!
  • 46. Fixing even one of these issues could increase your GMROI, lower your average inventory and make your customers happier. Copyright Data Profits 2015
  • 47. Fixing even one of these issues could increase your GMROI, lower your average inventory and make your customers happier. Unfortunately, many demand forecasting systems make correcting these issues difficult. Copyright Data Profits 2015
  • 48. At Data Profits we can help you fix your seasonal indexes without all the headaches. Copyright Data Profits 2015
  • 49. At Data Profits we can help you fix your seasonal indexes without all the headaches. • user-friendly interface • easy-to-read graphs • customizable forecast alerts • easier demand forecasting Copyright Data Profits 2015
  • 50. All Material Confidential - Copyright Data Profits 2013 Let us help you “ Tighten the Links in your Chain™ ” with better seasonal indexes! Follow us on Twitter or LinkedIn and receive the latest info about tutorials, articles, and more. Copyright Data Profits 2015