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Questions - gridsearchcv

Scikit learn GridSearchCV with pipeline with custom transformer

I'm trying to perform a GridSearchCV on a pipeline with a custom transformer. The transformer enriches the features "year" and "odometer" polynomially and one hot encodes the rest ...
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Davis Stöwer

python-3.x

machine-learning

scikit-learn

pipeline

gridsearchcv

Votes: 0

Answers: 1

Latest Answer

To debug searches in general, set error_score='raise', so that you get a full error traceback. Your issue appears to be data-dependent; I can run this just fine on a custom dataset. That suggests to ...
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Ben Reiniger

NameError: name 'GridSearchCV' is not defined. I have done the import though : from sklearn.model_selection import GridSearchCV

NameError Traceback (most recent call last) C:\Users\VAISHN~1\AppData\Local\Temp/ipykernel_6520/2922578464.py in 3 'kernel': ['rbf']} 4 ----> 5 optimal_params...
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Vaishnavi

python

machine-learning

svm

nameerror

gridsearchcv

Votes: 0

Answers: 1

Latest Answer

There could be 3 reasons on why this is happening: You haven't installed the library in your environment. You can solve this using the code below: python -m pip install --upgrade pip pip install -U ...
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Allan Chua

GridSearchCV and RandomizedSearchCV in Scikit-learn 0.24.0 or above do not print progress log with n_jobs=-1

In scikit-learn 0.24.0 or above when you use either GridSearchCV or RandomizedSearchCV and set n_jobs=-1, with setting any verbose number (1, 2, 3, or 100) no progress messages gets printed. However, ...
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Ashtad

scikit-learn

jupyter-notebook

google-colaboratory

joblib

gridsearchcv

Votes: 0

Answers: 1

Latest Answer

Here's a roundabout way of getting GridSearchCV behavior and having the progress print along the way in Google Colab. It would need to be adapted for RandomSearchCV behavior. This requires creating tr...
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LaKisha David

Invalid Parameter XGB For Estimator

I am performing a GridSearch on the parameters below for an XGB Classifier. It's simple enough, but when I run grid_search.fit(X_train, y_train) it returns ValueError: Invalid parameter xgb for estima...
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abrahamdaniels

python

pipeline

gridsearchcv

xgbclassifier

Votes: 0

Answers: 1

Latest Answer

You are referring to your classifier as xgb when that variable isn't declared anywhere. The correct way to specify the params is to use classifier__ prefix since that's how you refer to XGBoostClassif...
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LemurPwned

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