- The Quantitative Supply Chain Manifesto
- The Lokad test of supply chain performance
- Overview of quantitative supply chain
- Generalized probabilistic forecasting
- Decision-driven optimization
- Economic drivers
- Data preparation
- The Supply Chain Scientist
- Timeline of a typical project
- Assessing success
- Antipatterns in supply chain

- Inventory forecasting
- Prioritized ordering report
- Old forecasting input file format
- Old forecasting output file format
- Choosing the service levels
- Managing your inventory settings
- The old Excel forecast report
- Using tags to improve accuracy
- Oddities in classic forecasts
- Oddities in quantile forecasts
- Stock-out's bias on quantile forecasts
- Daily, weekly and monthly aggregations

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The script below illustrates how a gross margin analysis dashboard can be composed with Envision.

read "/sample/Lokad_Items.tsv" read "/sample/Lokad_Orders.tsv" as Orders read "/sample/Lokad_PurchaseOrders.tsv" as PO show label "Gross margin analysis (LIFO inventory cost)" a1f1 tomato Orders.OrderId = "\{Orders.Date}-\{Orders.Client}" oend := max(Orders.Date) // Default currency, and currency conversions when date >= oend - 365 currency := mode(Orders.Currency) Orders.NetAmount = forex(Orders.NetAmount, Orders.Currency, currency, Orders.Date) PO.NetAmount = forex(PO.NetAmount, \ PO.Currency, currency, PO.Date) // LIFO inventory value PO.UnitPrice = PO.NetAmount / max(1, PO.Quantity) Orders.CostAmount = latest(PO.UnitPrice) * Orders.Quantity Orders.Margin = Orders.NetAmount - Orders.CostAmount Orders.Supplier = latest(PO.Supplier) // Top row of KPIs show label "Current year" a2 when date > oend - 365 show table "Gross margin{ \{currency}}" b2 with sum(Orders.Margin) show table "Gross margin{%}" c2 with sum(Orders.Margin) / sum(Orders.NetAmount) show table "Orders" d2 with distinct(Orders.OrderId) show table "Margin per order{ \{currency}}" e2 with sum(Orders.Margin) / distinct(Orders.OrderId) show table "Margin per unit{ \{currency}}" f2 with sum(Orders.Margin) / sum(Orders.Quantity) show label "Previous year" a3 when date > oend - 2 * 365 & date <= oend - 365 show table "Gross margin{ \{currency}}" b3 with sum(Orders.Margin) show table "Gross margin{%}" c3 with sum(Orders.Margin) / max(1, sum(Orders.NetAmount)) show table "Orders" d3 with distinct(Orders.OrderId) show table "Margin per order{ \{currency}}" e3 with sum(Orders.Margin) / max(1, distinct(Orders.OrderId)) show table "Margin per unit{ \{currency}}" f3 with sum(Orders.Margin) / max(1, sum(Orders.Quantity)) // Linechart Week.margin := sum(Orders.Margin) when date >= monday(oend) - 52 * 7 & date < monday(oend) show linechart "Weekly gross margin{ \{currency}}" a4f6 tomato with Week.margin as "Current year" Week.margin[-52] as "Previous year" // Split by category and supplier when date > oend - 365 show barchart "Margin per category (1 year){ \{currency}}" a7c9 tomato with sum(Orders.Margin) group by Category show barchart "Margin per supplier (1 year){ \{currency}}" d7f9 tomato with sum(Orders.Margin) group by Orders.Supplier // Tops and flops when date > oend - 365 where sum(Orders.NetAmount) > 0 show table "Most profitable items (1 year)" a10c12 with Id Name sum(Orders.Margin) as "Margin{ \{currency}}" sum(Orders.Margin) / sum(Orders.NetAmount) as "Margin{%}" order by sum(Orders.Margin) desc R = rank(sum(Orders.Margin)) where R <= 0.2 * max(R) by 1 show table "Least profitable items (1 year, among top 20%)" d10f12 with Id Name sum(Orders.Margin) as "Margin{ \{currency}}" sum(Orders.Margin) / sum(Orders.NetAmount) as "Margin{%}" order by sum(Orders.NetAmount) / sum(Orders.Margin) desc