Dynamic Trend Chart

Dr Juergen Ude Dr Juergen Ude

There are many applications where detecting changes in the slope is important. One example is for sales forecasting where we need to see if a plateau has been reached, or if there is a downward trend requiring a new marketing campaign. Another application is for dieting where it is important to detect plateaus requiring a change in diet, or too slow or rapid weight losses.

Changes in slopes are detected using a powerful regression switching detection algorithm.

Shewhart chart demonstrating the issues with spc theory Change Analysis - Changes in the Trends

There is no formula to perform change analysis. Instead statistically based machine powered algorithms are used.

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