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Questions - naivebayes

After executing the last line i get following error: ValueError: y should be a 1d array, got an array of shape (4457, 2) instead

y = pd.get_dummies(messages['label']) y = y.iloc[:,1].values from sklearn.model_selection import train_test_split X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.20,random_stat...
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RUPENDRA S. KHANGAROT

python

nlp

spyder

naivebayes

Votes: 0

Answers: 1

Latest Answer

First of all, directly under your y variable, do this to convert it to integer: y = y.apply(lambda x: x.argmax(), axis=1).values And y_pred = spam_detect_model.predict(X_test) not y_test.
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emerald mclaniyi

All classifiers are locked in weka

I want to start text classifying a database and all classifiers are locked and i can't use any of them, i've used stringtowordVector filter for them to open and they're still locked and this is my arf...
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Laila Nehad

weka

decision-tree

text-classification

information-retrieval

naivebayes

Votes: 0

Answers: 1

Latest Answer

After applying the StringToWordVector, ensure that you select the correct attribute (class in your case) on the Classify tab. By default, the Explorer selects the last one. However, the StringToWordVe...
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fracpete

Why doesn't this data work with the Naïve Bayes algorithm?

It is in ARFF format. If you're not familiar with ARFF, it's basically that everything under the @data marker is in CSV. For clarification, I am trying to use the dataset on Weka but the option to use...
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Hermes3

weka

naivebayes

arff

Votes: 0

Answers: 1

Latest Answer

Every classifier, clusterer, filter etc in Weka can only handle certain types of data, i.e., its capabilities (which you can check in GUI). These capabilities are then compared against the data. In ca...
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fracpete

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