Data Science Stack Exchange by Kiwix

Q&A for Data science professionals, Machine Learning specialists, and those interested in learning more about the field

Most popular questions

125 Publicly Available Datasets 2014-05-18T18:45:38.957

106 Best python library for neural networks 2014-07-07T19:17:04.973

95 What are deconvolutional layers? 2015-06-13T09:56:45.397

81 K-Means clustering for mixed numeric and categorical data 2014-05-14T05:58:21.927

72 Python vs R for machine learning 2014-06-12T06:04:48.243

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

67 How big is big data? 2014-05-14T03:56:20.963

66 The cross-entropy error function in neural networks 2015-12-10T06:22:48.927

59 What is the "dying ReLU" problem in neural networks? 2015-05-07T04:11:56.600

48 Are Support Vector Machines still considered "state of the art" in their niche? 2014-07-09T12:22:22.400

45 How to set class weights for imbalanced classes in Keras? 2016-08-17T09:35:45.110

44 Why do internet companies prefer Java/Python for data scientist job? 2016-08-18T05:05:45.470

43 Why Is Overfitting Bad in Machine Learning? 2014-05-14T18:09:01.940

43 What is dimensionality reduction? What is the difference between feature selection and extraction? 2014-05-18T06:26:15.673

42 SVM using scikit learn runs endlessly and never completes execution 2014-08-18T10:46:57.360

41 Open source Anomaly Detection in Python 2015-07-22T14:26:58.660

40 Why do cost functions use the square error? 2016-02-10T21:52:30.730

39 Is the R language suitable for Big Data 2014-05-14T11:15:40.907

39 Latent Dirichlet Allocation vs Hierarchical Dirichlet Process 2014-05-18T06:10:52.543

39 When is a Model Underfitted? 2014-06-13T16:44:29.323

38 How to fight underfitting in a deep neural net 2014-07-13T09:04:39.703

35 Tools and protocol for reproducible data science using Python 2014-07-16T20:09:08.640

35 Is there any domain where Bayesian Networks outperform neural networks? 2016-01-17T13:04:57.100

35 When to use GRU over LSTM? 2016-10-17T11:47:45.340

34 Can machine learning algorithms predict sports scores or plays? 2014-06-10T10:58:58.447

33 Do I need to learn Hadoop to be a Data Scientist? 2014-06-10T06:20:20.817

33 How can I transform names in a confidential data set to make it anonymous, but preserve some of the characteristics of the names? 2014-06-16T19:48:31.797

32 When to use what - Machine Learning 2015-01-20T15:27:38.160

32 strings as features in decision tree/random forest 2015-02-25T01:07:14.717

32 Data Science in C (or C++) 2015-03-20T14:56:23.420

32 Neural networks: which cost function to use? 2016-01-19T11:48:29.337

32 Difference between fit and fit_transform in scikit_learn models? 2016-06-21T10:05:08.587

32 How are 1x1 convolutions the same as a fully connected layer? 2016-07-17T13:23:22.600

32 Why are Machine Learning models called black boxes? 2017-08-17T11:53:15.637

31 Organized processes to clean data 2014-05-14T15:25:21.700

31 Clustering geo location coordinates (lat,long pairs) 2014-07-17T09:50:41.437

31 Data scientist vs machine learning engineer 2018-02-20T06:15:04.687

30 What do you think of Data Science certifications? 2014-06-12T10:52:03.410

30 Advantages of AUC vs standard accuracy 2014-07-22T03:43:20.327

30 Should I go for a 'balanced' dataset or a 'representative' dataset? 2014-07-22T12:29:10.050

30 How to deal with version control of large amounts of (binary) data 2015-02-13T10:09:25.177

30 RNN vs CNN at a high level 2016-05-06T14:36:20.190

29 Backprop Through Max-Pooling Layers? 2016-05-12T08:38:12.740

28 Do data scientists use Excel? 2015-04-03T20:28:36.710

28 Gini Impurity vs Entropy 2016-02-12T22:05:41.193

27 What are the use cases for Apache Spark vs Hadoop 2014-06-17T20:48:35.267

27 How to prepare/augment images for neural network? 2015-02-24T11:59:36.033

25 Machine learning techniques for estimating users' age based on Facebook sites they like 2014-05-17T09:16:18.823

25 Machine learning - features engineering from date/time data 2014-10-29T05:25:55.603

25 When to use One Hot Encoding vs LabelEncoder vs DictVectorizor? 2015-12-19T19:30:35.527


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