by Don Johnston | Nov 3, 2018 | Announcements, Inventory Management Basics, SIMS
Open source ABC analysis software is now available. For details, click on the “SIMS” tab. For information about ABC analysis, see my article on that subject.
by Don Johnston | Jan 3, 2018 | Uncategorized
The technique described here is called “exponential smoothing”. It is a simple method of updating an average as new data becomes available. It is the basis of most techniques used for forecasting customer demands. It was discussed briefly in the article entitled...
by Don Johnston | Jan 3, 2018 | Announcements, Forecasting
Some incorrect formulae were found in the simulation spreadsheet described in the article entitled “An Educational Inventory Management Simulator”. They have been fixed.
by Don Johnston | Mar 5, 2017 | Forecasting, Replenishment
This article contains information concerning the mathematics involved in the spreadsheets which are described in Part 1. That article was revised on 5 March 2017 and the spreadsheets were revised on 19 February 2017. It is assumed that the readers of this article have...
by Don Johnston | Feb 1, 2017 | Forecasting, Replenishment
Replenishment decisions rely on forecasts of lead times amongst other things. If the mean lead time for an item is not expected to change much then the average of recent lead times for the item can be used. Unless that item is purchased frequently, there won’t...
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