V2EX training-data

Training Data

定义 Definition

Training data(训练数据):用于“训练”机器学习/人工智能模型的一组样本数据,通常包含输入(特征)以及(在监督学习中)对应的正确答案/标签,用来让模型学习规律并提升预测能力。(在不同任务中也可能包含文本、图像、音频、表格等多种形式。)

发音 Pronunciation

/tren det/(也常听到 /tren dt/)

例句 Examples

The model learned from training data.
模型从训练数据中学习。

To reduce bias, we cleaned the training data and added more examples from underrepresented groups.
为了减少偏差,我们清理了训练数据,并加入了更多来自代表性不足群体的样本。

词源 Etymology

training 来自 “train”(训练、培养),与“使之具备某种能力”相关;data 源自拉丁语 datum(“给出的东西”),其复数形式 data 后来在英语中常被当作集合名词使用。组合成 training data,字面意思就是“用于训练的数据”,在机器学习兴起后成为核心术语之一。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Deep Learning(Ian Goodfellow, Yoshua Bengio, Aaron Courville)
  • Pattern Recognition and Machine Learning(Christopher M. Bishop)
  • The Elements of Statistical Learning(Trevor Hastie, Robert Tibshirani, Jerome Friedman)
  • “Attention Is All You Need”(Vaswani et al.,论文中大量讨论训练数据与训练设置)
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