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scikit learn

sklearn: Found arrays with inconsistent numbers of samples when calling LinearRegression.fit()

It looks like sklearn requires the data shape of (row number, column number). If your data shape is (row number, ) like (999, ), it does not work. By using numpy.reshape(), you should change the shape of the array to (999, 1), e.g. using In my case, it worked with that.

Categories scikit learn Tags scikit-learn

Is there a library function for Root mean square error (RMSE) in python?

I know I could implement a root mean squared error function like this: What I’m looking for if this rmse function is implemented in a library somewhere, perhaps in scipy or scikit-learn?

Categories scikit learn Tags python, scikit-learn, scipy

how to resolve this ValueError: only 2 non-keyword arguments accepted sklearn python

hello i am new to sklearn in python and iam trying to learn it and use this module to predict some numbers based on two features here is the error i am getting: ValueError: only 2 non-keyword arguments accepted and here is my code:

Categories scikit learn Tags python-3.x, scikit-learn, valueerror

XGBoost XGBClassifier Defaults in Python

That isn’t how you set parameters in xgboost. You would either want to pass your param grid into your training function, such as xgboost’s train or sklearn’s GridSearchCV, or you would want to use your XGBClassifier’s set_params method. Another thing to note is that if you’re using xgboost’s wrapper to sklearn (ie: the XGBClassifier() or … Read more

Categories scikit learn Tags analytics, classification, python, scikit-learn, xgboost

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