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Data Science

Help Center > Badges > Scholar

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Ask a question and accept an answer.
Awarded 3501 times
Churn Prediction Model based on Customer Activities
Awarded 6 hours ago
Feature importance over a subset of instance space instead of an entire instance space
Awarded 8 hours ago
Abstraction in Neural Networks
Awarded 16 hours ago
Splitting train and test in multilabel classification to avoid missing data in the train set
Awarded yesterday
Terminology: “flat geometry” in the context of clustering
Awarded yesterday
k-means classifies one data point as a group
Awarded yesterday
Training LSTM with different sequence lengths in Keras functional api
Awarded 2 days ago
Counting the occurrence of each string in a pandas dataframe column [closed]
Awarded May 20 at 4:10
Applying mean encoding before or after splitting into train and test set
Awarded May 19 at 22:40
Problem reconstructing Keras's IMDB reviews
Awarded May 19 at 19:20
Neural network for linear regression?
Awarded May 19 at 9:40
Why do we have to divide by 2 in the ML squared error cost function? [duplicate]
Awarded May 19 at 7:05
Story Tag Prediction - Optional Labels
Awarded May 18 at 0:10
Improving the results of CNN [closed]
Awarded May 17 at 9:55
Clustering, Mixed Data Set with Ordinal and Nominal Scale Data
Awarded May 16 at 13:15
Outlier detection for Disk Space Usage
Awarded May 16 at 13:15
xgboostclassifier prediction error after saving the model and restoring it
Awarded May 16 at 8:25
clustering before or after PCA?
Awarded May 15 at 18:10
What is the difference between semantic segmentation, object detection and instance segmentation?
Awarded May 15 at 17:55
Why is Random Forest feature importance biased towards high cadinality features?
Awarded May 15 at 12:25
If the set of all possible states changes each time, how can Q-learning “learn” anything?
Awarded May 15 at 10:20
How to replace words in a sentence with their POS tag generated with SpaCy efficiently?
Awarded May 14 at 21:05
Hierarchical clustering with precomputed cosine similarity matrix using scikit learn produces error
Awarded May 14 at 20:45
Weighted Linear Combination of Classifiers
Awarded May 14 at 20:25
Logistic Regression - ROC curve plots Sensitivity vs Specificity instead of (1-Specificity)
Awarded May 14 at 13:40
Can the vanishing gradient problem be solved by multiplying the input of tanh with a coefficient?
Awarded May 14 at 11:10
How to optimize the lambdas of a hybrid loss in a deep learning model
Awarded May 14 at 9:05
Calculate a ranking function from classification features
Awarded May 14 at 5:45
How to use SimpleImputer Class to replace missing values with mean values using Python?
Awarded May 13 at 16:05
What are “belief maps” and “affinity maps”?
Awarded May 13 at 9:15
Am I using GridSearch correctly or do I need to use all data for cross validation?
Awarded May 12 at 19:20
Training a convolutional neural network for image denoising in Matlab
Awarded May 12 at 14:00
keras flow_from_directory returns 0 images
Awarded May 12 at 12:10
statsmodels ols does not include all categorical values
Awarded May 11 at 23:25
Neural networks, optimization math intuition
Awarded May 11 at 18:00
Is it legal to scrape YouTube videos for training data? [closed]
Awarded May 11 at 4:40
How do we define the noisy-MAX canonical aggregator for Bayesian networks?
Awarded May 10 at 18:45
How does DQN solve Open AI Cartpole - v0?
Awarded May 10 at 18:10
What is the minimum amount of data required for sales prediction with ML
Awarded May 10 at 15:25
difference betwen predicting seen and unseen data
Awarded May 10 at 13:50
Pandas throwing “Error tokenizing data. C error” while loading data sets from URL
Awarded May 10 at 1:30
Derivation of backpropagation for Softmax
Awarded May 9 at 18:45
Keeping part of a string in R [closed]
Awarded May 9 at 13:10
Recombining rare values
Awarded May 9 at 13:00
What measures can I use to find correlation between categorical features and binary label?
Awarded May 9 at 5:25
Communication between Keras and Backend like Tensorflow, Theano
Awarded May 8 at 10:50
General question on the approach to optimise numbers
Awarded May 8 at 10:35
Propensity Modeling for Retail Marketing: Model Adjustments Based on Consumer Life Changes.
Awarded May 7 at 12:00
How to interpret metrics of a model after scaling the data
Awarded May 7 at 11:20
memory error while converting images into an array
Awarded May 7 at 7:35
Help with understanding cross-validation
Awarded May 7 at 7:00
Notation unclear - Radial Basis Funtion
Awarded May 6 at 18:00
Binary classification based on pairwise relationships
Awarded May 6 at 17:10
Why can't my neural network learn how to predict the squares of natural numbers?
Awarded May 6 at 16:20
Is linear regression suitable for these data?
Awarded May 6 at 14:35
How is the linear regression cost function evolved?
Awarded May 6 at 8:05
How to measaure the similarity between two series?
Awarded May 6 at 7:50
What are the differences between Convolutional1D, Convolutional2D, and Convolutional3D?
Awarded May 6 at 7:20
How many features can we input for a SVM to classify?
Awarded May 6 at 4:20
What will the required time to process 500GB of images using NVIDIA GEFORCE 930M GPU
Awarded May 5 at 17:55
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