Tag: optimization

68 Choosing a learning rate 2014-06-16T18:08:38.623

11 Guidelines for selecting an optimizer for training neural networks 2016-03-04T09:32:17.287

11 Should a model be re-trained if new observations are available? 2016-07-13T11:03:54.740

10 Fisher Scoring v/s Coordinate Descent for MLE in R 2014-07-03T17:11:01.770

9 local minima vs saddle points in deep learning 2017-09-05T19:14:30.057

7 Can overfitting occur in Advanced Optimization algorithms? 2016-09-13T14:10:49.220

6 Gerrymandering - Geospatial optimization to maximize votes in R 2015-05-21T15:25:35.377

6 Simple example of genetic alg minimization 2016-01-05T10:57:35.867

6 Backpropagation: In second-order methods, would ReLU derivative be 0? and what its effect on training? 2016-07-12T17:16:03.147

6 Are there any rules for choosing the size of a mini-batch? 2017-04-17T16:18:22.793

6 Why does decreasing the SGD learning rate cause a massive increase in accuracy? 2017-09-21T16:02:30.073

6 Does gradient descent always converge to an optimum? 2017-11-09T16:41:20.940

5 Which Optimization method to use? 2014-12-20T03:37:21.820

5 Reducing sample size 2016-12-27T19:28:17.920

5 How many features to sample using Random Forests 2017-10-10T10:50:22.720

4 How to apply AdaBoost to more "complex" (non-binary) classifications/data fitting? 2014-12-26T06:53:29.670

4 When being in a perfect "Long Valley" situation, does momentum help? 2016-02-17T18:59:27.833

4 DIfferent learning rates converging to same minima 2016-07-11T18:21:58.313

4 Minimize absolute values of errors instead of squares 2016-07-11T22:51:24.283

4 Step-by-step construction of an RBF neural network 2017-08-02T17:25:38.250

4 Is reseating passengers a reinforcement learning problem? 2017-12-19T07:42:15.533

3 Open source solver for large mixed integer programming task? 2014-05-21T19:41:19.857

3 Machine Learning for hedging/ portfolio optimization? 2014-12-18T04:48:49.820

3 Application of Control Theory in Data Science 2015-05-16T18:09:15.630

3 Optimizing parameters for a closed (black-box) system 2015-09-08T17:51:50.850

3 Training the parameters of a Restricted Boltzman machine 2016-04-05T06:52:25.740

3 In Neural Nets, why Use Gradient Methods as Opposed to Other Metaheuristics? 2016-04-15T07:03:52.583

3 How can the process of hypertuning of XGBoost parameters be automated? 2016-06-25T08:46:21.680

3 how to make decision based on users reports 2017-02-10T09:56:29.783

3 Efficient way to optimise hyper parameter for network with multiple inputs? 2017-04-30T13:14:48.587

3 Sementic segmentation data and model compile in Keras 2018-02-11T17:45:40.577

2 Using Heuristic Methods for AB Testing 2014-08-20T21:12:49.927

2 Machine learning for state-based transforms? 2015-07-11T23:08:14.300

2 What are some nice algorithms/techniques for optimizing and predicting Click Through Rates (CTR)? 2015-10-26T11:50:41.147

2 Genetic Algorithm to find best parameter values of an estimaor 2015-11-28T19:36:54.963

2 Performance metric in recommender systems with implicit feedback 2015-12-08T17:49:04.497

2 Machine learning worker performance features for optimum allocation of tasks to workers 2015-12-11T06:02:34.457

2 Why is each successive tree in GBM fit on the negative gradient of the loss function? 2016-02-21T05:41:22.113

2 Parallel active optimization 2016-02-27T15:59:49.043

2 How do I train a contextual bandit policy? 2016-07-08T20:42:27.437

2 How to recommend an attribute value for optimum output 2017-03-11T23:06:02.297

2 Optimization Problem Python 2017-07-06T18:33:40.553

2 What are some machine learning problems that can be attacked with continuous multiobjective optimization? 2017-08-29T20:15:30.437

2 What is the stochastic part in stochastic gradient descent? 2017-09-28T10:51:29.450

2 Non-convex feasible region in a linear programming problem 2017-11-16T16:42:15.470

1 Apps to manage/host data sets 2014-08-29T11:40:28.657

1 How does one feed graph optimization problems into Python's anneal function in SciPy? 2014-12-04T07:47:32.740

1 Time series: variations as a feature 2014-12-28T14:42:52.403

1 non-linear optimization for a linear classifier? (scikit-learn) 2015-04-23T12:50:52.173

1 How to speed up optimization using Differential Evolution? 2015-06-29T20:26:54.153

1 Algorithm selection - Improve initial assignments in combinatorial allocation 2015-07-27T03:24:46.260

1 fit model with sd square 2015-08-09T19:20:37.687

1 Website navigation path using graph theory 2015-08-19T20:58:44.523

1 Universal cost function for process control? 2015-08-23T20:01:24.360

1 Solve a pair of coupled nonlinear equations within certain limits 2015-09-13T21:50:39.237

1 Use the LMS algorithm to train a single perceptron neural network by finding the weights for a given data 2015-10-19T06:20:27.753

1 How to select a bunch of optimized data from a larger data set? 2015-11-23T16:49:32.403

1 Regression problem - too complex for gradient descent 2015-12-15T13:25:39.840

1 Trend Decline Graph Normalization 2016-02-29T14:26:42.980

1 Extending k-means clustering to include interactions between elements 2016-03-12T00:22:25.197

1 Optimisation strategy webstores with shipping costs 2016-06-11T21:04:26.030

1 How to form Hessian matrix in BFGS Quasi-Newton Method 2016-06-24T07:43:40.490

1 Software for reweighted L1 minmization? 2016-07-08T15:29:17.333

1 How do I convert a series of timestamps in seconds to milliseconds in order to distribute them smoothly 2016-08-10T08:31:02.127

1 What type of optimization problem is this? 2016-08-10T15:50:19.340

1 Reason for better performance of variants of SGD when local minimas of Neural Nets are equivalent? 2016-08-10T20:34:02.433

1 Optimal parameter estimation for a classifier with multiple parameters 2016-10-06T15:10:40.077

1 How can I use octave function minimizers in c++? 2016-10-15T09:37:32.517

1 Is there a machine learning framework that supports partial evaluation ie can return a function? 2016-11-05T10:06:40.810

1 Algorithm for rule set optimization 2016-11-06T21:16:28.357

1 Kelly Criterion in xgboost loss function 2017-01-08T17:22:36.960

1 Which is the best type of curve for these peaks on the waveform? 2017-04-11T00:56:39.307

1 h2o, different stopping metric leads to different optimal for hyperparameters 2017-05-23T13:34:21.700

1 Loss given Activation Function and Probability Model 2017-05-31T18:07:49.097

1 How to adapt the LBFGS algorithm to accept a different data input parameter in Spark? 2017-08-06T08:11:00.520

1 Reinforcement Learning algorithm for Optimized Trade Execution 2017-08-19T13:47:09.923

1 Understanding Logistic Regression Cost function 2017-08-26T05:11:57.593

1 Optimizing the non-differentiable minimum in tensorflow 2017-10-22T17:05:47.893

1 Using standard ML models for modeling a derivative when the data set only contains function values 2017-11-14T21:34:11.063

1 Is there a quick way to speed up ICP in python using a cached KD-tree 2017-12-13T03:09:00.640

1 loss = function(iteration) gets super wobbly once it gets near the bottom 2018-01-11T21:46:06.037

1 Optimizing random function 2018-01-18T09:35:56.097

1 Difference between RMSProp with momentum and Adam Optimizers 2018-01-18T15:21:12.467

1 Find best (most efficient) combination of Ingredients 2018-01-22T15:52:02.457

0 Running huge datasets with R 2014-07-07T21:26:36.830

0 Minimum Norm point Algorithm(MNA) in R or Python 2016-05-22T17:40:43.927

0 Adaboost for 3D Input data 2016-10-27T08:45:58.393

0 Which optimization technique to use with noisy and slow black-box system? 2016-10-30T19:28:26.220

0 Time complexity of function minimizers for neural networks 2016-10-31T06:23:25.297

0 Find the best combination of demographics without brute force 2016-11-20T13:02:40.190

0 Stochastic gradient descent and different approaches 2016-12-30T07:19:58.860

0 Application of Machine learning or Neural Networks for automatic Time table scheduling 2017-03-14T08:31:49.310

0 Deep Learning: What are the differences between DeepMind's Learning to Learn method and a grid search of a network's hyperparameters? 2017-04-21T08:29:54.603

0 How to measure the cross-entropy of prior and posterior distribution with re-parameterization trick? 2017-05-11T06:55:19.907

0 Estimation without a ground truth 2017-05-24T13:15:38.167

0 How to rewrite the objective funciton to minimize when using SGD? 2017-07-10T09:44:51.747

0 My cost function doesn't decrease when running minimization algorithm 2017-07-11T09:35:00.963

0 Update model parameter with new data, discarding old data 2017-08-14T15:16:27.230

0 ML algorithm for target minimisation? 2017-08-28T10:14:22.430