Why is the reconstruction error for my training set larger than my test error using PCA on the MNIST data set?
88274
Is it possible for test error to be lower than training error
135987
Better accuracy with validation set than test set
38075
What is the trade-off between batch size and number of iterations to train a neural network?
113346
What is the proper association measure of a variable with a PCA component (on a biplot / loading plot)?
96296
Imputation before or after splitting into train and test?
71090
Scikit learn - fit_transform on the test set
115455
What is the correct way to use train, validation and test set when comparing classifiers?
142623
scaling for SVM destroys my results
67179
AUC and class imbalance in training/test dataset
2632
PCA and the train/test split
149884
How can the MSE of predictions be greater than the variance of the response variable?
132450
What is wrong with the linear regression variance estimator when p+1>n?
36032
Why does the loss/accuracy fluctuate during the training? (Keras, LSTM)
82605
Why are the number of false positives independent of sample size, if we use p-values to compare two independent datasets?
149876
Dimensions of Scale (Gamma) and Offset (Beta) in Batch Norm
142609
No regularisation term for bias unit in neural network
134828
Large relative error