5131
The network is validated by retaining a subset of the training data for testing and comparing the network ’ s predictions to the known values .
 data, testing, s, predictions
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 data, testing, s, predictions