Objective | Plot trajectories | Fit broken stick model with one line | Fit broken stick model with two lines | Extend to nine lines | Obtain predicted values | Explained variance | Subject level analysis | Conclusion

What is the broken stick model? | What are the main model assumptions? | Why should I want to use the broken stick model? | What is in the package? | Acknowledgment

Objective | Data generation | Fit model | Conclusions

Background | Main changes | Minor changes | Install legacy version | Examples | Example 1: Fit model | Example 2: Predict model | Example 3: Plot model