Data Science

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First question with score of 1 or more.
Awarded 8355 times.
Should i perform cross validation on training set only?
Awarded 22 hours ago
Is there any way to define custom entities in Spacy
Awarded yesterday
Is my model over-fitting (LSTM, GRU)
Awarded yesterday
ROC AUC score is better if test data is imbalanced
Awarded yesterday
Median of a list of frequencies
Awarded yesterday
Can ridge regression be used for feature selection?
Awarded yesterday
How to find the probabilities of certain events occurring in a defined sequence?
Awarded yesterday
Kernel PCA and K largest eigenvectors
Awarded yesterday
r“”“What does it mean?”“” [closed]
Awarded yesterday
How to normalize a position in 3d game?
Awarded yesterday
How To Perform Time Series Data Patterns Classification
Awarded yesterday
very important features, but rarely input
Awarded yesterday
Why is a general/original softmax loss not preferred in FR (face recognition)?
Awarded yesterday
CNN 3D line angles prediction regression - results of training of phi depend on theta
Awarded yesterday
Regression turned into classiffication [closed]
Awarded yesterday
How can I improve the performance of my DQN?
Awarded 2 days ago
Predicting probability for each tag given already chosen tags
Awarded 2 days ago
Cross-validation for Timeseries Counterfactual Analysis
Awarded 2 days ago
Filtering a panda dataframe in one line
Awarded 2 days ago
How this visualisation was made?
Awarded 2 days ago
Alternatives to doc2vec?
Awarded 2 days ago
Ball Tree and Pseudometrics
Awarded 2 days ago
Input Ouput dimensions python keras
Awarded 2 days ago
How to deal with evaluations in a multi step ML pipeline
Awarded Aug 15 at 1:15
Feature selection filter methods
Awarded Aug 15 at 0:40
Is there a way to rank the Extracted Named Entities based on their importance/occurence in a document?
Awarded Aug 14 at 20:30
Which are the strategies to counter the 80/20 dilema in Data Science projects?
Awarded Aug 14 at 20:30
Fast Python implementation of the gradient descent
Awarded Aug 14 at 20:10
SKLearn Boston dataset gradient descent not working
Awarded Aug 14 at 17:50
Force selecting samples in majority class with random forest
Awarded Aug 14 at 16:05
Approach for sentiment analysis of Flemish Twitter data (politics)
Awarded Aug 14 at 16:05
Isolation forest - grouped by
Awarded Aug 14 at 15:00
Relation between an underlying function and the underlying probability distribition function of data
Awarded Aug 14 at 8:20
pandas - under a column, count the total number of a specific value, instead of using value_counts()
Awarded Aug 14 at 5:40
Appropriate model metric for a truncated response variable?
Awarded Aug 13 at 21:00
SelectKBest and Correlation returns me excatly same feature selection. How?
Awarded Aug 13 at 21:00
Quadratic approximation of L1 regularized cost function
Awarded Aug 13 at 15:15
Why DDPG's policy target is Q-value itself?
Awarded Aug 13 at 8:50
Modeling strategy for predicting a day/hour based on my dataset
Awarded Aug 13 at 7:30
Named Entity Recognition for Sesotho sa Leboa (Sepedi) one of the South African Official Language
Awarded Aug 13 at 7:05
How does PCA and clustering treat different type of predictors where order of their values signify the result differently?
Awarded Aug 13 at 1:25
Forecasting multiple time series with a single model
Awarded Aug 12 at 23:15
High Variance on CNN
Awarded Aug 12 at 21:40
NLP Feature creation from phrase matching
Awarded Aug 12 at 18:20
Is it feasible to train a single model on 150+ classes?
Awarded Aug 12 at 13:50
How is the cross-product transformation defined for binary features?
Awarded Aug 12 at 13:00
Decision tree classifier prediction changes from one run of the model to the next
Awarded Aug 12 at 12:40
Isolation Forest Prediction Mechanics: Does it compare value with every tree (and the original training subset)?
Awarded Aug 12 at 11:10
multiplying two array in python3.7
Awarded Aug 12 at 3:40
How to backpropogate error from convolutional layer with respect to the input when using multiple channels
Awarded Aug 12 at 3:10
How does the Backpropagation through time work?
Awarded Aug 12 at 0:10
When to use missing data imputation in the data analysis problem?
Awarded Aug 11 at 23:05
Significant drop from validation accuracy to test accuracy
Awarded Aug 11 at 22:10
binning high cardinality categorical features
Awarded Aug 11 at 22:05
Generalization of RNN/LSTM/GRU… model
Awarded Aug 11 at 20:15
Is hyperparameter tuning more affected by the input data, or by the task?
Awarded Aug 11 at 17:30
How to use a deep learning algorithm to cluster image *styles* in an unlabeled data set?
Awarded Aug 11 at 16:45
Using random forest for selecting variables returns the entire dataframe
Awarded Aug 11 at 11:05
ROC curve and optimal threshold
Awarded Aug 11 at 0:40
Removing Rows based on criteria using python
Awarded Aug 10 at 16:50
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