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Results tagged with preprocessing
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user 83515
Data preprocessing is a data mining technique that involves transforming raw data into a better understandable or more useful format.
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votes
StandardScaler before or after splitting data - which is better?
You shouldn't be doing fit_transform(X_test) on the test data.
The fit already occurred above.
from sklearn.preprocessing import StandardScaler
sc = StandardScaler()
X_train = sc.fit_transform(X_train …
- 91