All Questions
Tagged with performanceoptimization
5 questions
0votes
1answer
657views
Why does Adam outperform SGD in logistic regression?
I am training a logistic regression model. In case it matters, the features are 1376-dimensional embeddings output from a neural network. I tried both SGD and Adam with a learning rate of $10^{-3}$ ...
- 113
1vote
0answers
27views
How to balance time/effort with transformations, feature selection, and models efficacy in nlp? [closed]
Edit: Question has been edited for reopening (see comment section for justification) Being to new text analytics, I haven't gotten the hang of navigating a typical workflow given the longer times ...
- 141
2votes
1answer
147views
How can we conclude that an optimization algorithm is better than another one
When we test a new optimization algorithm, what the process that we need to do?For example, do we need to run the algorithm several times, and pick a best performance,i.e., in terms of accuracy, f1 ...
1vote
0answers
99views
Is there a machine learning framework that supports partial evaluation ie can return a function?
Is there a machine learning framework that supports partial evaluation? For example: We train on [model, year, km, ..., colour, price]. Today we call ...
1vote
1answer
246views
Optimal parameter estimation for a classifier with multiple parameters
The image on the left shows a standard ROC curve formed by sweeping a single threshold and recording the corresponding True Positive Rate (TPR) and False Positive Rate (FPR). The image on the right ...
