imbalanced-learn

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Adding scikit-learn-intelex example

1

Following up on https://github.com/scikit-learn-contrib/imbalanced-learn/issues/991 - in addition to updates to the documentation, it would be beneficial for users to see example usage of imbalanced-learn with scikit-learn-intelex imbalanced-learn to demonstrate usage...

ethanglaser

Index is out of bounds for axis 0

2

Hello everyone, I used this library and it worked very well. Due to some conflicts in conda, I had to remake an environment. I reinstalled imbalanced-learn==0.10 but i am facing...

taimoorhussain1259

Cannot find reference for the one vs. rest scheme used to extend many algorithms for the multi-class case

1

In the docs, it's frequently mentioned in the references > Supports multi-class resampling. A one-vs.-rest scheme is used when sampling a class as proposed in [1]. So far, every time...

EssamWisam

#### Describe the bug SMOTENC fit_transform fails with Numpy error `ValueError: zero-size array to reduction operation maximum which has no identity` when getting to this line: https://github.com/scikit-learn-contrib/imbalanced-learn/blob/27bb6c7b0fab2dd0941ed56d2895478776c74f95/imblearn/over_sampling/_smote/base.py#L790 #### Steps/Code to...

Ingvar-Y

Problem implementing a custom transformer for multilabel SMOTE

3

I am trying to implement a custom transformer for multilabel SMOTE in my pipeline. However, I constantly run into: "All intermediate steps of the chain should be estimators that implement...

romanwolf-git

Seeking reference for the shrinkage parameter in `RandomOversampler`

2

I was trying to implement ROSE (Random Oversampling Examples) in Julia, and after considering the paper I decided to look at imbalanced-learn's implementation. There seems to be a `shrinkage` parameter...

EssamWisam

DOC improve documentation of NCR

3

Reword documentation and docstrings for the NCR. Related to #854

solegalli

DOC improve documentation of nearmiss

1

related to #853 Separating in smaller PRs as requested. I had some trouble understanding the documentation for this class, so I hope that when I re-worded it, I captured the...

solegalli

Alignment of near miss 3 documentation/implementation with theory

3

Hi, in the paper about near miss (https://www.site.uottawa.ca/~nat/Workshop2003/jzhang.pdf), a 4th variation is described, called "distant". The documentation of near miss 3, reads as if the original near miss 3 variation...

tsoumakas

New error message from established workflow: AttributeError: 'Pipeline' object has no attribute '_check_fit_params'[BUG]

7

#### Describe the bug I received this error message when attempting to run an established workflow that is dependent on creating a pipeline, applying SMOTE, and then using GridSearchCV to...

dysartk