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Hyperparameter sensitivity analysis: hyperparameter λ3 associated with the GFL-SGL temporal smooth penalization term mainly contributes to the forecast and requires consideration. Bigger values for λ2 (linked to the task-common group Lasso penalty) tends to enhance the findings for smaller λ1. (a) ADAS (λ1=1). (b) ADAS (λ1=10). (c) ADAS (λ1=100). (d) MMSE (λ1=1). (e) MMSE (λ1=10). (f) MMSE (λ1=100).
