Comments (10)
That's in the latest release right? So we would have to set sklearn>=0.24 in the requirements. Worth it?
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So we would have to set sklearn>=0.24 in the requirements
Potentially. As far as I can tell, anyone pip installing explainerdashboard
today will get version 0.24.0 of scikit-learn.
conda create -n test_env python=3.8 --y
conda activate test_env
pip install explainerdashboard
conda list
...
scikit-learn 0.24.0 pypi_0 pypi
...
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I saw at least one library (PyCaret) that fixed scikit-learn<=0.23 due to some breaking change, so don't want to force it on the users. However MAPE is still a nice and intuitive metric, and right now there are not so many regression metrics in the dashboard, so we could probably come up with some numpy one-liner to calculate it?
from explainerdashboard.
epsilon = np.finfo(np.float64).eps
mape = np.absolute(y - yhat) / np.maximum(np.absolute(y), epsilon)
from explainerdashboard.
Problem with MAPE is what to do with y close to or equal to 0, when I apply
def mape_score(y_true, y_pred):
epsilon = np.finfo(np.float64).eps
absolute_percentage_errors = np.abs(y_pred - y_true) / np.maximum(np.abs(y_true), epsilon)
mape = np.average(absolute_percentage_errors)
return mape
and apply it to the titanic_fare() dataset I get:
>>>mape_score(explainer.y, explainer.preds)
279419869598872.44
Due to the fact that one ticket price==0.0
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Yes it's an age old problem with mape. Feel like it still adds useful information alongside the other metrics. For the dashboard point of view wonder if you can use some kind of scientific notion for large numbers
>>> '{:.2e}'.format(mape_score(explainer.y, explainer.preds))
'2.79e+14'
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Notation aside, that number still doesn't tell you anything about how good a fit the regression gave you, just that there was one y_true very close or equal to zero. Could exclude all absolute_percentage_errors > 100 maybe? Or make that a parameter?
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Could make the inclusion of MAPE a parameter.
ExplainerDashboard(
explainer,
hide_mape=False)
Most (I would to like think) data scientists know which metrics they want to look at.
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So I added it to the latest dev branch: https://github.com/oegedijk/explainerdashboard/tree/dev
throws a warning if MAPE > 2
Also adds a parameter show_metrics
with which you can pass a list of the metrics that you want to display (and you can also pass custom function to the list, which also get stored and loaded from yaml!)
You can give it a try and let me know if it works...
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https://github.com/oegedijk/explainerdashboard/releases/tag/v0.3.2
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Related Issues (20)
- Autogluon and explainerdashboard integration HOT 4
- ImportError: cannot import name 'dtreeviz' from 'dtreeviz.trees' HOT 1
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- ImportError: cannot import name 'dtreeviz' from 'dtreeviz.trees' HOT 2
- ValueError: Must pass 2-d input. HOT 1
- Showcase in a HuggingFace space? HOT 1
- Dashboard is not running correctly when I am trying to use saved joblib file. HOT 3
- Dashboards not loading from saved yaml, joblib files. HOT 2
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- integration tests failing due dash_duo.get_logs() returning None HOT 1
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