# RQ6 : Spatial deformations ## RQ6.1 *Are the methods robust to linear trends in the time series ?* In this section, we evaluate the robustness of methods to the presence of linear trends of different amplitudes. Our evaluation is summarized in the plot below. ### Summary of the results ![RQ6.1 results](../../assets/RQresults/RQ6_1.png "RQ6.1 results") ### RQ6.1 Conclusion SetFinder shows consistent performances in the presence of random walk. Motiflets, PEPA, and LoCoMotif maintain correct performance even for high random walk amplitudes. ## RQ6.2 *Are the methods robust to noise in the time series ?* In this section, we evaluate the robustness of methods to noise. Our evaluation is summarized in the plot below. ### Summary of the results ![RQ6.2 results](../../assets/RQresults/RQ6_2.png "RQ6.2 results") ### RQ6.2 Conclusion STOMP, PANMP, and Motiflets are the most suitable for very noisy time series. If the noise is non-zero without being excessively high, one can also consider using VALMOD or PEPA.