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321

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Why Sckit's fit_transform causes a huge drop in accuracy and all other evaluation metrics?

machine-learning deep-learning keras scikit-learn

modified yesterday Community♦ 1

2

votes

1

answer

30

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Hierarchical Clustering: Extract observations from large heatmap

python scikit-learn seaborn

answered yesterday Edgar 116

0

votes

1

answer

12

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train_test_split() error: Found input variables with inconsistent numbers of sample

python scikit-learn

modified yesterday Ben Reiniger 2,227

0

votes

3

answers

181

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Random Forests Feature Selection on Time Series Data

python scikit-learn time-series feature-selection random-forest

modified Oct 11 at 16:11 JeanJean 39

0

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3

answers

679

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Why is Local Outlier Factor classified as Unsupervised if it requires training data with no outliers?

scikit-learn outlier

answered Oct 11 at 12:34 Klaudijus 1

0

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0

answers

18

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Value Error: MSLE & CrossVal

scikit-learn cross-validation

asked Oct 11 at 11:02 Iain MacCormick 16

4

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6

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8k

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issue with oneHotEncoding

python scikit-learn preprocessing

answered Oct 11 at 7:25 HumbleBee 11

16

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3

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9k

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StandardScaler before and after splitting data

machine-learning scikit-learn preprocessing

modified Oct 11 at 1:41 fuwiak 376

0

votes

1

answer

18

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What is the use of fit method in sklearn.preprocessing.Normalizer()?

scikit-learn normalization

modified Oct 10 at 20:08 zachdj 787

0

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1

answer

18

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How to Split And Resample Imbalanced Dataset Into Train, Validation and Test

python classification scikit-learn class-imbalance imbalanced-learn

answered Oct 10 at 17:50 Grzegorz 341

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1

answer

22

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Gradient decent in Python

python scikit-learn pandas linear-regression

answered Oct 10 at 13:51 JeanJean 39

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2

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2k

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How to use SimpleImputer Class to replace missing values with mean values using Python?

python scikit-learn pandas missing-data

answered Oct 10 at 7:57 Sharad Singh 1

0

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0

answers

20

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Segment Data in SKlearn Pipeline

scikit-learn pipelines

modified Oct 10 at 5:13 JeanJean 39

1

vote

2

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27

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class_weight on sklearn's DecisionTreeClassifier

classification scikit-learn decision-trees multiclass-classification unbalanced-classes

modified Oct 9 at 22:08 Ben Reiniger 2,227

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