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C-index score with predict & evaluation windows #10

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@ziyit

Dear Dr. Lee,

Please refer to "tutorial.ipynb" notebook, section "1. Import Dataset", the following pred_time and eval_time were defined.

# This must be changed depending on the datasets, prediction/evaliation times of interest
pred_time = [52, 352, 552] # prediction time (in months)
eval_time = [12, 36, 60, 120] # months evaluation time (for C-index and Brier-Score)

I would like to confirm the logic on providing these two windows.
(1) pred_time outputs 52th, 352th, and 552th month risk for each patient
(2) eval_time scores the risk of each patient at 12th, 36th, 60th, and 120th month
(3) the C-index is computed as a 3-by-4 matrix, can you illustrate what does (pred_time == 52 & eval_time==12), the C-index imply?

Thank you so much!

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