Using Coefficient of Variation to Drive Safety Stock Related Decisions

In a previous blog post, we discussed how a high or low value of Coefficient of Variation (CV) impacts the first or second term of safety stock. Today we decided to put this to the test using real customer data - here we will discuss our findings.

Illusively Complex – Effective Approach to Mixing Judgment and Statistics in Forecasting

In 1994, the IBM Micro-electronics Division, itself a fortune 100 size firm, put in place a major effort to create best in class supply chain planning process and software including demand planning(DM), central planning, available to promise, et al. I was fortunate to be an original member and had the opportunity to work extensively on

By |2024-02-21T14:20:42-05:00October 13th, 2015|Demand Planning|

Using Coefficient of Variation as a Guide for Safety Stocks

In one of my previous posts, I wrote about using coefficient of variation (CV) as a predictor of forecastability. In this post, I will talk about how it can be used to indicate a sensitivity of lead time towards the safety stock calculations. To quickly remind the reader first: The formula for CV = StdDev

Reporting Forecast Accuracy At Sales and Operations Planning Meetings

You have a favorite forecast accuracy metric(s) you’ve been practicing within the organization for a while, and now you think you are ready to bring it to the Sales and Operations Planning (S&OP) meeting as a Key Performance Indicator (KPI) of your demand planning process. But you are not sure exactly how to go about

By |2021-08-30T10:58:25-04:00August 4th, 2015|Demand Planning, Forecast Accuracy, Forecasting, S&OP, Supply Chain|

The Family Tree of MAPE

I saw this news article on CNN (here) about our planet’s earth bigger, older cousin. Quite an interesting discovery if you ask me. However, it got me thinking about the family tree of Mean Absolute Forecast Error (MAPE), a subject that I am a little bit familiar with. A few weeks ago, I wrote about

By |2024-02-21T14:21:08-05:00July 28th, 2015|Forecasting|

Two Sides of the MAPE Coin

Key Points on MAPE: Mean Absolute Percent Error (MAPE) is a useful measure of forecast accuracy and should be used appropriately. Because of its limitations, one should use it in conjunction with other metrics. While a point value of the metric is good, the focus should be on the trend line to ensure that the

By |2019-04-13T23:10:00-04:00July 9th, 2015|Demand Planning, Forecasting, Supply Chain|

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