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One common model is a "Friction" model. The idea is that there is no one single issue that is likely to cause a subscriber to leave and change ISP's, but that a series of events build up over time and eventually prompts the action to move to another ISP. These friction events (Variables) can be things like the
- the number of disconnections in service
- the number of tech support calls
- the number of different types of tech support calls
- the number of truck rolls to the customers home
- the number of failed devices in the home
- Sentiment analysis of text comment in surveys or Tech support cases that show Anger or Frustration.
- Bad followup survey results.
Each of these variables should have a weight based on severity of the events and the model then adds up these weighted events over time to predict churn. The top level friction variable is a measure of the difficulty of continuing to do business with the ISP. This type of model is the type that I have seen used by several large Telco's in the past 5 years.
This type of model has also been used for predicting employee churn.
Thank you for your insights .
Posted 1 March 2021
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