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Total of 197 Machine Learning Solutions
Keras accuracy does not change
Python
Audio
Machine Learning
Theano
Keras
Dummy variables when not all categories are present
Python
Pandas
Machine Learning
Dummy Variable
How to log Keras loss output to a file
Python
Logging
Machine Learning
Neural Network
Keras
Normalize data before or after split of training and testing data?
Machine Learning
Data Science
Normalization
Training Data
Train Test-Split
What is a Learning Curve in machine learning?
Machine Learning
Training data for sentiment analysis
Nlp
Machine Learning
Text Analysis
Sentiment Analysis
Training Data
Cost Function, Linear Regression, trying to avoid hard coding theta. Octave.
Machine Learning
Octave
Linear Regression
How does one debug NaN values in TensorFlow?
Python
Machine Learning
Neural Network
Tensorflow
Conv Neural-Network
Show progress bar for each epoch during batchwise training in Keras
Python
Machine Learning
Keras
Converting a Vision VNTextObservation to a String
Ios
Machine Learning
Ocr
Nslinguistictagger
Apple Vision
What does calling fit() multiple times on the same model do?
Python
Machine Learning
Scikit Learn
Java-R integration?
Java
R
Machine Learning
Regression
Can someone explain to me the difference between a cost function and the gradient descent equation in logistic regression?
Machine Learning
Does the SVM in sklearn support incremental (online) learning?
Python
Machine Learning
Scikit Learn
Svm
Convert array of indices to 1-hot encoded numpy array
Python
Numpy
Machine Learning
Numpy Ndarray
One Hot-Encoding
What is a projection layer in the context of neural networks?
Machine Learning
Nlp
Neural Network
Word2vec
What is the difference between a sigmoid followed by the cross entropy and sigmoid_cross_entropy_with_logits in TensorFlow?
Machine Learning
Tensorflow
Classification
Cross Entropy
Sigmoid
How to do multi class classification using Support Vector Machines (SVM)
Machine Learning
Svm
Libsvm
Meaning of an Epoch in Neural Networks Training
Machine Learning
Artificial Intelligence
Neural Network
Pybrain
Octave : logistic regression : difference between fmincg and fminunc
Algorithm
Machine Learning
Neural Network
Octave
Normalize a feature in this table
Machine Learning
Normalization
Evaluating pytorch models: `with torch.no_grad` vs `model.eval()`
Python
Machine Learning
Deep Learning
Pytorch
Autograd
Calculate AUC in R?
R
Machine Learning
Data Mining
Auc
What is difference between tf.truncated_normal and tf.random_normal?
Math
Machine Learning
Tensorflow
What is the difference between supervised learning and unsupervised learning?
Machine Learning
Artificial Intelligence
Supervised Learning
Unsupervised Learning
scikit-learn random state in splitting dataset
Python
Random
Machine Learning
Scikit Learn
Load S3 Data into AWS SageMaker Notebook
Python
Amazon Web-Services
Amazon S3
Machine Learning
Amazon Sagemaker
plotting results of hierarchical clustering ontop of a matrix of data in python
Python
Cluster Analysis
Machine Learning
Matplotlib
Scipy
How do I solve overfitting in random forest of Python sklearn?
Python
Machine Learning
Scikit Learn
Decision Tree
Random Forest
What is the inverse of regularization strength in Logistic Regression? How should it affect my code?
Python
Machine Learning
Scikit Learn
Logistic Regression
Converting LinearSVC's decision function to probabilities (Scikit learn python )
Python
Machine Learning
Scikit Learn
Svm
How can I implement incremental training for xgboost?
Python
Machine Learning
Xgboost
PCA For categorical features?
Python
Machine Learning
Scikit Learn
Data Mining
How to predict input image using trained model in Keras?
Python
Machine Learning
Keras
Computer Vision
How hard is it to implement a chess engine?
Machine Learning
Chess
Understanding Neural Network Backpropagation
Computer Science
Machine Learning
Neural Network
Backpropagation
tag generation from a text content
Python
Tags
Machine Learning
Nlp
Nltk
Scikit Learn - K-Means - Elbow - criterion
Python
Machine Learning
Scikit Learn
Cluster Analysis
K Means
Can neural networks approximate any function given enough hidden neurons?
Machine Learning
Neural Network
How to implement the Softmax function in Python
Python
Numpy
Machine Learning
Logistic Regression
Softmax
What does the standard Keras model output mean? What is epoch and loss in Keras?
Python
Machine Learning
Neural Network
Keras
Data Science
How to run Flask with Gunicorn in multithreaded mode
Python
Flask
Machine Learning
Gunicorn
TensorFlow: "Attempting to use uninitialized value" in variable initialization
Python
Machine Learning
Linear Regression
Tensorflow
In which cases is the cross-entropy preferred over the mean squared error?
Machine Learning
Neural Network
Backpropagation
Mean Square-Error
Cross Entropy
TensorBoard - Plot training and validation losses on the same graph?
Machine Learning
Tensorflow
Tensorboard
Reset weights in Keras layer
Python
Tensorflow
Machine Learning
Keras
Keras Layer
What is a batch in TensorFlow?
Tensorflow
Machine Learning
Neural Network
Deep Learning
Tensor
Difference between Keras model.save() and model.save_weights()?
Machine Learning
Tensorflow
Neural Network
Keras
How to get mini-batches in pytorch in a clean and efficient way?
Python
Numpy
Machine Learning
Deep Learning
Pytorch
Cross Entropy in PyTorch
Python
Machine Learning
Pytorch
Loss
What is the difference between linear regression and logistic regression?
Machine Learning
Data Mining
Linear Regression
How to interpret loss and accuracy for a machine learning model
Machine Learning
Neural Network
Mathematical Optimization
Deep Learning
Objective Function
Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
Machine Learning
Save classifier to disk in scikit-learn
Python
Machine Learning
Scikit Learn
Classification
How to split data into 3 sets (train, validation and test)?
Pandas
Numpy
Dataframe
Machine Learning
Scikit Learn
Which machine learning classifier to choose, in general?
Machine Learning
How can I one hot encode in Python?
Python
Pandas
Machine Learning
One Hot-Encoding
What is the role of the bias in neural networks?
Machine Learning
Neural Network
Artificial Intelligence
Backpropagation
Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
Python
Machine Learning
Cluster Analysis
K Means
Scikit Learn
How to initialize weights in PyTorch?
Python
Machine Learning
Deep Learning
Neural Network
Pytorch
Why binary_crossentropy and categorical_crossentropy give different performances for the same problem?
Machine Learning
Keras
Neural Network
Deep Learning
Conv Neural-Network
Difference between classification and clustering in data mining?
Machine Learning
Classification
Cluster Analysis
Data Mining
Terminology
How to extract the decision rules from scikit-learn decision-tree?
Python
Machine Learning
Scikit Learn
Decision Tree
Random Forest
Nearest neighbors in high-dimensional data?
Algorithm
Language Agnostic
Search
Machine Learning
Nearest Neighbor
How can I run Tensorboard on a remote server?
Tensorflow
Machine Learning
Data Visualization
Remote Access
Tensorboard
Why must a nonlinear activation function be used in a backpropagation neural network?
Math
Machine Learning
Neural Network
Deep Learning
Why do we have to normalize the input for an artificial neural network?
Machine Learning
Neural Network
Normalization
Intuitive understanding of 1D, 2D, and 3D convolutions in convolutional neural networks
Machine Learning
Deep Learning
Signal Processing
Conv Neural-Network
Convolution
What is the difference between steps and epochs in TensorFlow?
Machine Learning
Tensorflow
TensorFlow, why was python the chosen language?
Python
C++
Machine Learning
Tensorflow
What is the role of "Flatten" in Keras?
Machine Learning
Tensorflow
Neural Network
Deep Learning
Keras
How to understand Locality Sensitive Hashing?
C
Machine Learning
Hashmap
Nearest Neighbor
Locality Sensitive-Hash
What does model.eval() do in pytorch?
Python
Machine Learning
Deep Learning
Pytorch
Many to one and many to many LSTM examples in Keras
Machine Learning
Neural Network
Deep Learning
Keras
Recurrent Neural-Network
How to train an artificial neural network to play Diablo 2 using visual input?
Machine Learning
Computer Vision
Neural Network
Video Processing
Reinforcement Learning
What is exactly sklearn.pipeline.Pipeline?
Python
Machine Learning
Scikit Learn
Neuraxle
Can anyone explain me StandardScaler?
Python
Machine Learning
Scikit Learn
Scaling
Standardized
What is the difference between a generative and a discriminative algorithm?
Algorithm
Machine Learning
Generative
When should I use genetic algorithms as opposed to neural networks?
Artificial Intelligence
Machine Learning
Neural Network
Genetic Algorithm
How to compute precision, recall, accuracy and f1-score for the multiclass case with scikit learn?
Python
Machine Learning
Nlp
Artificial Intelligence
Scikit Learn
How does Apple find dates, times and addresses in emails?
Machine Learning
Nlp
Information Extraction
Named Entity-Recognition
Why does one hot encoding improve machine learning performance?
Machine Learning
Data Mining
Scikit Learn
Data Analysis
What are the pros and cons between get_dummies (Pandas) and OneHotEncoder (Scikit-learn)?
Python
Pandas
Machine Learning
Scikit Learn
Dummy Variable
What is the difference between value iteration and policy iteration?
Machine Learning
Reinforcement Learning
Markov Models
Value Iteration
Google Colaboratory: misleading information about its GPU (only 5% RAM available to some users)
Python
Machine Learning
Gpu
Ram
Google Colaboratory
Deep-Learning Nan loss reasons
Python
Tensorflow
Machine Learning
Keras
Theano
machine learning libraries in C#
C#
Machine Learning
A simple explanation of Naive Bayes Classification
Algorithm
Machine Learning
Dataset
Classification
Naivebayes
Why should weights of Neural Networks be initialized to random numbers?
Machine Learning
Neural Network
Artificial Intelligence
Mathematical Optimization
Gradient Descent
Why is the F-Measure a harmonic mean and not an arithmetic mean of the Precision and Recall measures?
Machine Learning
Classification
Data Mining
What is an intuitive explanation of the Expectation Maximization technique?
Machine Learning
Cluster Analysis
Data Mining
Mathematical Optimization
Expectation Maximization
What is the difference between a feature and a label?
Machine Learning
How to load a model from an HDF5 file in Keras?
Python
Machine Learning
Keras
Data Science
Can Keras with Tensorflow backend be forced to use CPU or GPU at will?
Python
Machine Learning
Tensorflow
Keras
word2vec: negative sampling (in layman term)?
Machine Learning
Nlp
Word2vec
How to apply gradient clipping in TensorFlow?
Python
Tensorflow
Machine Learning
Keras
Deep Learning
What is cross-entropy?
Machine Learning
Cross Entropy
pytorch - connection between loss.backward() and optimizer.step()
Machine Learning
Neural Network
Pytorch
Gradient Descent
How to concatenate two layers in keras?
Python
Machine Learning
Keras
Neural Network
Hierarchical
multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of the hidden layer?
Machine Learning
Neural Network
Deep Learning
Perceptron
Python: tf-idf-cosine: to find document similarity
Python
Machine Learning
Nltk
Information Retrieval
Tf Idf
Common causes of nans during training of neural networks
Machine Learning
Neural Network
Deep Learning
Caffe
Gradient Descent
What is the mAP metric and how is it calculated?
Machine Learning
Computer Vision
Detection
Metrics
Vision
What is the role of TimeDistributed layer in Keras?
Python
Machine Learning
Keras
Neural Network
Deep Learning
RuntimeError: Input type (torch.FloatTensor) and weight type (torch.cuda.FloatTensor) should be the same
Python
Python 3.x
Machine Learning
Deep Learning
Pytorch
Understanding min_df and max_df in scikit CountVectorizer
Python
Machine Learning
Scikit Learn
Nlp
Error in Python script "Expected 2D array, got 1D array instead:"?
Python
Python 3.x
Machine Learning
Predict
keras: how to save the training history attribute of the history object
Python
Machine Learning
Neural Network
Deep Learning
Keras
What is the difference between np.mean and tf.reduce_mean?
Python
Numpy
Machine Learning
Mean
Tensorflow
Keras: Difference between Kernel and Activity regularizers
Machine Learning
Keras
Keras Layer
What is machine learning?
Machine Learning
Definition
TensorFlow, "'module' object has no attribute 'placeholder'"
Python
Machine Learning
Tensorflow
scikit-learn .predict() default threshold
Python
Machine Learning
Classification
Scikit Learn
Scikit-learn: How to obtain True Positive, True Negative, False Positive and False Negative
Python
Machine Learning
Scikit Learn
Classification
Supervised Learning
How to get Tensorflow tensor dimensions (shape) as int values?
Python
Tensorflow
Machine Learning
Artificial Intelligence
How to create a new gym environment in OpenAI?
Machine Learning
Artificial Intelligence
Openai Gym
Extract upper or lower triangular part of a numpy matrix
Python
Numpy
Machine Learning
What is the intuition of using tanh in LSTM?
Machine Learning
Deep Learning
Lstm
Recurrent Neural-Network
Activation Function
Epoch vs Iteration when training neural networks
Machine Learning
Neural Network
Deep Learning
Artificial Intelligence
Terminology
How does the Google "Did you mean?" Algorithm work?
Algorithm
Machine Learning
Nlp
Spell Checking
Text Search
cocktail party algorithm SVD implementation ... in one line of code?
Matlab
Machine Learning
Octave
Linear Algebra
Svd
How to implement the ReLU function in Numpy
Python
Numpy
Machine Learning
Neural Network
Accuracy Score ValueError: Can't Handle mix of binary and continuous target
Python
Machine Learning
Scikit Learn
Linear Regression
Prediction
Recovering features names of explained_variance_ratio_ in PCA with sklearn
Python
Machine Learning
Scikit Learn
Pca
How big should batch size and number of epochs be when fitting a model in Keras?
Python
Machine Learning
Keras
Data Science
Unsupervised clustering with unknown number of clusters
Algorithm
Math
Artificial Intelligence
Machine Learning
Cluster Analysis
What's the difference between a bidirectional LSTM and an LSTM?
Machine Learning
Neural Network
Keras
Lstm
Recurrent Neural-Network
Sentiment analysis for Twitter in Python
Python
Machine Learning
Nlp
Open Source
Sentiment Analysis
How to write a confusion matrix in Python?
Python
Machine Learning
What are logits? What is the difference between softmax and softmax_cross_entropy_with_logits?
Python
Machine Learning
Tensorflow
How to tell Keras stop training based on loss value?
Python
Machine Learning
Neural Network
Conv Neural-Network
Keras
How to update the bias in neural network backpropagation?
Machine Learning
Math
Neural Network
How can I build a model to distinguish tweets about Apple (Inc.) from tweets about apple (fruit)?
Java
Python
R
Machine Learning
Classification
How do I find Wally with Python?
Python
Image Processing
Machine Learning
Computer Vision
How to detect patterns in (electrocardiography) waves?
Algorithm
Language Agnostic
Machine Learning
Signal Processing
Pattern Recognition
What is inductive bias in machine learning?
Machine Learning
Terminology
Batch Normalization in Convolutional Neural Network
Machine Learning
Computer Vision
Deep Learning
Conv Neural-Network
Batch Normalization
What is the relation between the number of Support Vectors and training data and classifiers performance?
Machine Learning
Classification
Svm
Libsvm
Adding L1/L2 regularization in PyTorch?
Python
Machine Learning
Pytorch
Loss Function
Extracting an information from web page by machine learning
Python
Machine Learning
Html Parsing
Web Scraping
Extract
How to save final model using keras?
Python
Machine Learning
Keras
What are the major differences and benefits of Porter and Lancaster Stemming algorithms?
Java
Machine Learning
Nlp
Does Any one got "AttributeError: 'str' object has no attribute 'decode' " , while Loading a Keras Saved Model
Python
Machine Learning
Keras
Deep Learning
Estimating the number of neurons and number of layers of an artificial neural network
Machine Learning
Neural Network
Deep Learning
Artificial Intelligence
Instance Normalisation vs Batch normalisation
Machine Learning
Neural Network
Computer Vision
Conv Neural-Network
Batch Normalization
ConvergenceWarning: lbfgs failed to converge (status=1): STOP: TOTAL NO. of ITERATIONS REACHED LIMIT
Python
Machine Learning
Scikit Learn
Logistic Regression
Mixing categorial and continuous data in Naive Bayes classifier using scikit-learn
Python
Machine Learning
Data Mining
Classification
Scikit Learn
What are advantages of Artificial Neural Networks over Support Vector Machines?
Machine Learning
Neural Network
Classification
Svm
why gradient descent when we can solve linear regression analytically
Machine Learning
Linear Regression
Gradient Descent
What is the difference between labeled and unlabeled data?
Machine Learning
Pattern recognition in time series
Machine Learning
Time Series
Pattern Recognition
How to get most informative features for scikit-learn classifiers?
Python
Machine Learning
Classification
Scikit Learn
What is out of bag error in Random Forests?
Language Agnostic
Machine Learning
Classification
Random Forest
How to save & load xgboost model?
Python
Machine Learning
Save
Xgboost
Different result with roc_auc_score() and auc()
Python
Machine Learning
Scikit Learn
Tensorflow One Hot Encoder?
Python
Machine Learning
Neural Network
Tensorflow
Keras model.summary() result - Understanding the # of Parameters
Python
Machine Learning
Neural Network
Keras
Theano
What is the difference between sparse_categorical_crossentropy and categorical_crossentropy?
Python
Tensorflow
Machine Learning
Keras
Deep Learning
Ways to improve the accuracy of a Naive Bayes Classifier?
Machine Learning
Naivebayes
Linear regression analysis with string/categorical features (variables)?
Python
Machine Learning
Regression
Linear Regression
Feature Selection
Higher validation accuracy, than training accurracy using Tensorflow and Keras
Tensorflow
Machine Learning
Neural Network
Keras
Classification
How to do gradient clipping in pytorch?
Python
Machine Learning
Deep Learning
Pytorch
Gradient Descent
SVM - hard or soft margins?
Algorithm
Machine Learning
Svm
What is the meaning of the word logits in TensorFlow?
Tensorflow
Machine Learning
Neural Network
Deep Learning
Cross Entropy
Evaluation & Calculate Top-N Accuracy: Top 1 and Top 5
Algorithm
Machine Learning
Evaluation
Top N
ImportError('Could not import PIL.Image. ' working with keras-ternsorflow
Image Processing
Machine Learning
Keras
Machine learning in OCaml or Haskell?
Haskell
Machine Learning
Ocaml
What is the difference between Gradient Descent and Newton's Gradient Descent?
Machine Learning
Data Mining
Mathematical Optimization
Gradient Descent
Newtons Method
classifiers in scikit-learn that handle nan/null
Python
Pandas
Machine Learning
Scikit Learn
Nan
Perceptron learning algorithm not converging to 0
C
Algorithm
Machine Learning
Neural Network
Perceptron
Keras model.summary() object to string
Python
Tensorflow
Machine Learning
Keras
Deep Learning
What is the difference between loss function and metric in Keras?
Machine Learning
Neural Network
Deep Learning
Keras
How should the learning rate change as the batch size change?
Machine Learning
Deep Learning
Training a Neural Network with Reinforcement learning
Algorithm
Language Agnostic
Machine Learning
Neural Network
Reinforcement Learning
TensorFlow - regularization with L2 loss, how to apply to all weights, not just last one?
Machine Learning
Neural Network
Tensorflow
Deep Learning
Regularized
Keras - Difference between categorical_accuracy and sparse_categorical_accuracy
Python
Tensorflow
Machine Learning
Keras
Deep Learning
How can I use a pre-trained neural network with grayscale images?
Python
Tensorflow
Machine Learning
Keras
Deep Learning
How to find the importance of the features for a logistic regression model?
Python
Machine Learning
Scikit Learn
Logistic Regression
How to interpret Poolallocator messages in tensorflow?
Machine Learning
Tensorflow
How to define max_queue_size, workers and use_multiprocessing in keras fit_generator()?
Python
Tensorflow
Machine Learning
Keras
Gpu
How to approach a number guessing game (with a twist) algorithm?
Python
Algorithm
Tensorflow
Machine Learning
Keras
Open Source Neural Network Library
Machine Learning
Artificial Intelligence
Neural Network
gradient descent using python and numpy
Python
Numpy
Machine Learning
Linear Regression
Gradient Descent
Save MinMaxScaler model in sklearn
Python
Machine Learning
Scikit Learn
Normalization
Is it possible to append Series to rows of DataFrame without making a list first?
Python
Pandas
Machine Learning
Dataframe
Series
Unbalanced data and weighted cross entropy
Python
Machine Learning
Tensorflow
Deep Learning
Calculate the output size in convolution layer
Machine Learning
Deep Learning
Pytorch
Conv Neural-Network
Keras Text Preprocessing - Saving Tokenizer object to file for scoring
Machine Learning
Neural Network
Nlp
Deep Learning
Keras
Resources for working with Machine Learning in F#
.Net
F#
Functional Programming
Machine Learning
Feature/Variable importance after a PCA analysis
Python
Machine Learning
Scikit Learn
Pca
Feature Selection
TfidfVectorizer in scikit-learn : ValueError: np.nan is an invalid document
Python
Pandas
Machine Learning
Scikit Learn
Tf Idf
What does the "fit" method in scikit-learn do?
Python
Machine Learning
Scikit Learn
How to find the corresponding class in clf.predict_proba()
Python
Machine Learning
Scikit Learn
What is the number of filter in CNN?
Machine Learning
Neural Network
Theano
Convolution
F1 Score vs ROC AUC
Machine Learning
Auc
Precision Recall
How are neural networks used when the number of inputs could be variable?
Artificial Intelligence
Machine Learning
Neural Network
Pattern Recognition
Logo recognition in images
Machine Learning
Computer Vision
Image Recognition