What is a scalar?
A single number or a single string that can be represented as a tensor of rank 0.
scalar explained in plain English
Example
Practitioners refer to scalar when building, training, or evaluating machine learning systems. It appears in research papers, product documentation, and technical discussions about AI capabilities and limitations.
People also read
- Backpropagation
The process that tells a neural network which internal settings caused an error and how to adjust them, working backwards through layers.
- feature engineering
A process that involves the following steps: 1.
- layer
A set of neurons in a neural network.
- Mean Squared Error
The average loss per example when L2 loss is used.
- probabilistic regression model
A regression model that uses not only the weights for each feature, but also the uncertainty of those weights.
- retrieval-augmented generation
A technique for improving the quality of large language model (LLM) output by grounding it with sources of knowledge retrieved after the model was trained.
- sparse feature
A feature whose values are predominately zero or empty.
- A/B testing
A statistical way of comparing two (or more) techniques—the A and the B.
- ablation
A technique for evaluating the importance of a feature or component by temporarily removing it from a model.
- accuracy
The number of correct classification predictions divided by the total number of predictions.