Could not detect change points by DetectIidChangePoint

Hi, I'm quite new for ML.
I have data that looks like:

I'm using ` mlContext.Transforms.DetectIidChangePoint` with different combination of `confidence` and `changeHistoryLength` (by nested `for loops`), but still could not get the right change point of that **unusal, fast rising** area, though it's obvious for human, am I missing sth?

Start with the MLContext.Transforms.DetectIidChangePoint entry point and reproduce the reported behavior using the data shown in the issue. Review the API's confidence and changeHistoryLength behavior, then determine whether the missed fast-rising area is a configuration problem or an algorithm limitation.

Written by the indexing model from the issue text.