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Documentation for Streamline 4.x

User Guide

1. General Information

2. Starting Up

3. Connecting data

4. Demand and Sales Forecasting

5. Inventory Planning

6. Reference


6.9. Inventory Planning

The goal of the Inventory planning tab is to generate an ordering plan. Depending on the Streamline configuration, an ordering plan may include any combination of the following:

  • a transfer plan showing replenishments from DCs;
  • a material requirements plan and a production plan;
  • a purchase plan indicating items that should be ordered from suppliers.

A planning item in an ordering plan can belong to one of the four mentioned plans. The Inventory planning tab shows an ordering plan for planning items stored in locations that are not DCs. Ordering plan for DCs is on the Distribution center tab.

Besides the ordering plan, this tab provides a bunch of other important outcomes, including expected overstock and stockout amounts.

Inventory planning tab allows using filters for creating custom reports, displaying items that satisfy given criteria. It contains a set of tabs (or reports), a toolbar and a table under each tab (see figure below).

By default, the tab area includes only one report All items and the New filter button that opens the Filter dialog where you can specify the filtering criteria for the new custom report. As soon as you configure the filter, Streamline creates a new report based on it and adds it into the set of tabs as a newly created tab.

The All items report is customizable. You can show/hide a particular set of columns in the Settings, and show the necessary set of planning items by using filters.

Besides reporting capabilities, the Inventory planning tab allows you to modify replenishment parameters and recalculate the recommendations on-the-fly. There are several ways to change replenishment parameters. The easiest one is modifying them right in the table by editing the columns having a yellow background.

As soon as you change any of the replenishment parameters, Streamline automatically regenerates the outcomes of the Inventory planning tab. Therefore, Inventory planning tab always shows you the Ordering plan and the Projected inventory levels at the current state of the parameters.


  • Search toolbar is used to search for a particular phrase in the Item code and Description columns of the currently active report. The search is not case-sensitive and searches for the substring in a string. To start the search or find the next occurrence, press Enter, or F3, or click on the search icon.
  • Settings button opens the Inventory planning settings which are applied to all of the reports of this tab.
  • Edit filter button opens the filter dialog for the currently selected report where you can edit the filtering criteria.
  • Export table button exports the currently active report to an Excel file. Next to the button is a little black triangle that shows you an additional exporting option – Export to database (described below).
  • Export to XLSX command exports the currently active report to an Excel file.
  • Import parameters button loads the Excel file created using the Export parameters button. You can optionally choose any other Excel file to load. To do this:

1. Click on a little triangle near the button.
2. Select the Choose file… command.

3. Choose the file and click OK.

  • Overall purchase value shows the total value of the current order in the supplier's currency. In other words, it is the sum of the Current order, Value column.


In this section, we give a description for all the columns that a report in the Inventory planning tab can contain.

All of the columns can be divided into the following categories:

  • Inventory information – descriptive information about the planning item.
  • Replenishment parameters – the inputs of the inventory replenishment process. Some of them are the constraints used in the optimization.
  • Outcomes – the purchase plan, replenishment plan, production plan, and other inventory characteristics that are calculated based on the forecasts and the replenishment parameters.

The table below gives a description of all of the columns.

Column Description
Inventory information
Category This column shows the category the item belongs to. This column is configured and imported at the data connection step. Any number of item categories can be imported.
Item code An identifier of the item also known as SKU.
Location It shows the store or the warehouse where the Item code is stored.
DC It displays the distribution center name the planning item is supplied from.
Description This column shows the description of the Item code.
Model type It displays the type of the forecasting model selected to generate the forecasts for the planning item.
Item type It indicates the type of the item. It is shown if bill of materials was imported. There are three types of items, Material, Intermediate item and Finished item.
Supplier Shows the code of the supplier for the planning item.
Purchase price It is the price you pay the supplier for the item in the supplier's currency. This column is shown if the item purchase price was imported.
Note Shows the annotation for the planning item. Notes can be created using the context menu of the table or at the Demand forecasting tab.
Replenishment parameters
On hand The amount of the Item code that is currently in stock at the Location.
To ship Shows the total quantity on open sales orders and backorders. If open sales orders and backorders are imported separately from the inventory information, this column shows a little triangle in the corner of the cell. If you hover over it, Streamline shows a popup containing a list of pending shipments.
To receive Shows the total amount on open purchase and transfer orders. If those orders are imported separately from the inventory information, this column shows a little triangle in the corner of the cell. If you hover over it, Streamline shows a popup containing a list of pending arrivals.
Lead time Shows the interval of time between when a replenishment/purchase order is placed and when it is received.
Order cycle Shows how often the item is ordered from the supplier or distribution center. Order cycle can be set in months or days, or attached to the Lead time period.
Service level It is the percentage of the time (in the long run) that the item is available in stock, based on the forecast.
Safety stock periods Shows the number of future periods which demand is used as the Safety stock.
Replenishment parameters (constraints)
Min lot It is the minimum quantity of the planning item that you can order from your supplier or distribution center. Zero value means that Streamline will not account for the Min lot constraint in the optimization.
Max lot It is the maximum amount of the planning item that you can order from your supplier or distribution center. Zero value means that Streamline will not account for the Max lot constraint in the optimization.
Rounding It is a constraint that rounds the Net order amount up to the given quantity. It allows Streamline to take into account how many items come packed in a carton, allowing the application to suggest exactly the right amount of the item to order.
Display qty It is the minimum number of units a shelf to display. This parameter typically arises in the retail business. You can control how this amount is used when the final safety stock is calculated.
Shelf life It is the desired time the item can be in stock. Streamline converts this time period into a shelf life quantity. And this amount is used as a maximal limitation on the Net order quantity when the current order quantity is calculated. A cell in this column has a red background if the Net order quantity exceeds the shelf life quantity.
Shelf life exceeding It shows the average percentage of the current order quantity that we might have to: send to a clearance sale, return to the supplier and so on. If you just discard the expired product, the percentage should be very small. If you recycle them (e.g. roast the meat or make a clearance sale), the numbers may be larger.
Days of supply Shows how many days/months of the future demand the current On hand (including orders in transition) can cover. You can change the unit of measure in the Settings.
Safety stock Indicates the safety stock for the planning item. Its calculation depends on the Model type, the inventory replenishment strategy, the method set in the Settings, and availability of the Display qty constraint.
Safety stock debt This section indicates the safety stock 1) debt received from the lower echelon; 2) debt accumulated at the current echelon; and the 3) safety stock debt calculated at the current echelon and then passed to the upper echelon.
Received The total of the safety stock debts passed from the lower echelon.
Accumulated The accumulated safety stock debts that is calculated at the current echelon.
Passed The the safety stock debt passed to the upper echelon.
Gross margin Shows the gross profit margin of the planning item.
Turn-earn index Indicates the item gross margin accumulated over the last 12 months.
Current order This section displays information on the current order.
Qty It is the recommended quantity to order currently. An example of this column calculation can be found in the Explain inventory calculation dialog article.
Net order It is the current order quantity before application of the constraints.
Excess order Shows the excess part of the сurrent order quantity that is gotten due to the application of the constraints. In other words, the Excess order = Qty - Net order.
Value Shows the value of the current order line in the supplier's currency. It is calculated based on the given item purchase price.
Margin This column shows the gross profit margin calculated for the current order. The sellout_time equals to the Days of supply of the current order when it is calulated. This column is shown if the Annual interest rate is set in the Project settings.
Days of supply Shows how many days of the future demand the current order quantity (including orders in transition) can cover.
Order type Indicates the order type the current order line blongs to. There are three types of orders, Purhcase, Transfer and Manufacturing. Streamline automatically determines it based on the Source from and the Item type columns. If none of these columns are given, Streanline considers an order to be a purchase.
Source from

Displays the source from where the planning item is currently ordered. This column shows:

Delivery date Shows the promised date on which the planning item is to be delivered. Its calulation depends on the Order type. Below we describe how it is determined.
Next order date

It indicates the date the next recommended order should be placed by. This column is automatically calculated for the exported order lines as you click the Create button in the Planned order preview dialog. In this case, the date is calculated as:

Next order date = Today date + Order cycle,

where Today date is the current date set on your machine.
Streamline also populates this column for the items to receive that have Sendout date given. In this case, the formula is:

Next order date = Sendout date + Order cycle.

Reorder point Displays the inventory level at which a replenishment order should be placed. It is the sum of the lead time demand and the safety stock. This column is shown if the Min/max replenishment strategy is set in the Settings.
Max inventory It is the maximum inventory level for the item in the current period. This column is shown if the Min/max replenishment strategy is applied.
DC fill rate It indicates the percentage of the current DC demand that DC on hand can cover. The current DC demand is the total of all the current replenishment orders from the lower echelon.
Stockout It is an expected inventory shortage that arises during the Lead time period. A stockout happens if the On Hand quantity is not enough to cover the lead time demand forecast taking into account the orders in transition during the Lead time.
Overstock Shows the expected redundant quantity of the item at the end of the Lead time plus Order cycle period. A rough formula for its calculation can be found in the Analyzing expected stockouts and overstocks article.
Write-offs Indicates the total of the projected write-offs over the forecast horizon.
Ordering plan This section contains ordering recommendations for the whole forecast horizon. The current order recommendations are shown in the first column of this section. The values in the plan indicate the quantities that should be ordered in the corresponding periods. After you export the current order recommendations, Streamline shows the date to place the next order in the Next order date column of the table. To understand how this plan is calculated and see the placement dates for all the recommended orders, you can address to the Explain inventory calculation dialog. This section is hidden by default; you can show it by enabling the option Show entire ordering plan in the Settings.
Demand forecast This section shows the final demand forecast for every period within the forecast horizon.
Projected inventory levels This section comprises the expected inventory levels at the end of each period within the forecast horizon. To understand how these are calculated, address to the Explain inventory calculation dialog. This section is hidden by default; you can show it by enabling the option with the same name in the Settings.
Safety stock can be used as input for the report in case if you need to set it manually. All information entered into the software manually has a higher priority over the Streamline’s defaults and outcomes.

The table below shows how Streamline determines the expected Delivery date for an order line depending on the Order type.

Order type Location Condition Delivery date
Purchase Location/DC Today date + supplier Lead time
Transfer Location The location is linked to a DC (the DC column is not empty) Today date + Lead time from DC to the location
The location is not linked to a DC Today date + 1 day
Manufacturing Location/DC Today date + 0 days

Where Today date is the current local date set in your operating system.


The table in the All items report has a color-coding helping you recognize red-flag items. To describe the color-coding, let's introduce the following notation:

  • D(LT) – expected demand for the Lead time.
  • D(LT+OC) – expected demand for the Lead time plus Order cycle period.
  • ToReceive(LT+OC) – the total item quantity to be received during Lead time plus Order cycle period.
  • ToShip(LT+OC) – the total item quantity to be shipped during Lead time plus Order cycle period.

Below we describe the meaning of colors used in the colored columns or sections of the table.

On hand

Color Meaning
Pink The quantity is insufficient to cover D(LT).
Light-green The quantity is enough to satisfy D(LT).
Green The quantity is enough to satisfy D(LT+OC).

Stockout and Overstock

Color Meaning
Pink Indicates stockouts in the Stockout column.
Green Hightlights overstocks in the Overstock column.

Demand forecast and Projected inventory levels

Color Meaning
Pink Designates periods with stockout.
Light-green Specifies periods in which demand will be fully covered with (On hand + ToReceive(LT+OC) - ToShip(LT+OC)) quantity.

Context menu

The All items report (and any other custom report) has a context menu that includes the most commonly used operations applied to the currently selected planning item in the table.

To open the context menu, right-click on the planning item (see figure below).

Below we give a description of the commands.

  • Copy item to clipboard copies the item code of the selected planning item to the clipboard.
  • Remove from import… bans the selected item code (not planning item) from import.
  • Substitute merges the selected planning item with the planning item which code is provided in the appeared window on a channel basis (see figure below). If the provided item code exists in the project, this operation removes the item code of the selected planning item from the project, otherwise, it renames it.

Orange in the figure above indicates the channels with merged histories.

  • Add note opens the Edit note dialog (see figure below) where you can add, remove, or edit the note for the selected planning item.

  • Clear overrides clears the overrides for the selected planning item made on the Demand forecasting and Inventory planning tabs, except for the overrides to the model coefficients.
2019/07/31 12:54 · admin
  • Select all selects all items in the report.
  • Edit switches the selected cell into editing mode allowing you to enter a new value for the parameter. This command is only active for the cells in editable columns (the headers shown in yellow). It can be used for a mass changing of a certain replenishment parameter for a given set of planning items.

Next: Inter-store Optimization

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inventory-report.txt · Last modified: 2019/09/17 14:53 by admin