Invest in Business Planning Training To perform at peak capacity one needs to stay sharp. In corporate culture to stay ahead you need to constantly sharpen the skills. Training helps reinforced the learning demanded by the function. This is a worthwhile use of resources both from the company’s perspective and from the perspective of…
The function of planning and forecasting goes back a long way and has mentions as an ancient practice in religious and historical texts. Like all other phenomena, the function deals with development and advancement, whether theoretical or technological, in a cyclic manner – Realise, Reconstruct, Refresh and Repeat. When it comes to modelling times series sales…
Short answer: negative values in a demand history are almost never real demand. They are usually returns, cancellations or stock corrections booked in the period they were processed rather than the period the original order belonged to. Left in the series, they drag down the level, distort trend and seasonality, and push every time-series model…