category_encoders

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OneHotEncoder(sparse=True)

11

[sklearn.preprocessing.OneHotEncoder](https://scikit-learn.org/stable/modules/generated/sklearn.preprocessing.OneHotEncoder.html) has the option `sparse=True`, to return the output in a scipy.sparse matrix. This can be really useful if you have categories with high cardinality. Would it be possible to...

zachmayer

Parallel encoding of features in woe encoding

1

are you planning to implement parallel encoding of features for woe encoding ?

Venki-Kavuri

BinaryEncoder doesn't work together with cross_val_predict from sklearn

1

Versions sklearn: '0.22.1' category_encoders: 2.1.0 Issue - if I use a fitted BinaryEncoder instance in a custom classifier, there is a ValueError "ValueError: Must train encoder before it can be...

grialx

OrdinalEncoder fails when the input is entirely numeric or can be converted to numeric values

6

**Summary** `OrdinalEncoder.fit()` throws an exception when the input values are entirely numeric (I.E. `[1, 2, 3, 4, 5]`) or can be converted to be numeric (I.E. `['001', '002', '003', '004',...

djrscally

Circular categories encoding

3

Hi! I came up here searching about how to encode categorical variables which have a circular distance relation (such as the days of the week, where the last day, sunday,...

DelgadoPanadero

Transformers for continous data

3

Hi I know that library is focused on categorical-encoding, but I think there is a value in adding at least `StandardScaler` and `MinMaxScaler`, with such nice interface like we have...

mglowacki100

Test fails

1

I am packaging this Python package on nixpkgs. When running test, I ran into: ``` error: [Errno 2] File b'source_data/mushrooms/agaricus-lepiota.csv' does not exist: b'source_data/mushrooms/agaricus-lepiota.csv' ``` I think that the path...

GuillaumeDesforges

HashingEncoder doesn't transform the data

27

I'm trying to see the output of using HashingEncoder, and I've used the original sample code from the documentation, and I don't see any differences between the transformed and non-transformed...

xKHUNx

[Feature request] Benchmark of encoding strategies for different tasks

1

I know that I'm asking for a lot here but it'd be great to have some idea of what encoding strategies are useful in some cases : classification vs regression...

Nathan-Furnal

Extend HashingEncoder to work with `util.hash_pandas_object` as the hashing function. **Reasoning**: Currently, HashingEncoder relies on hashlib. Hashlib is nice, however: 1. hashlib works only value by value -> no vectorization...

janmotl