This feature reduces the amount of code you need to write to get a value out of or into a DataSet.
此功能减少了从数据集中获得值或将值写入数据集所需要编写的代码的数量。
The core of the dataset is the feature analysis and metadata for one million songs, provided by The Echo Nest.
数据库的核心是由The Echo Nest提供的一百万首歌曲的特征分析和元数据。
It is very necessary to extract spectrum feature and compress spectral data, that is, a large spectrum dataset can be represented by the linear combination of some eigenvectors.
所以，对光谱数据进行特征提取、实现数据压缩是非常必要的，即将一个大光谱数据集表示为几个特征矢量的线性组合。
The portrayal rules in the portrayal catalogue can be tested on the attributes of the feature instances in the dataset.
同样表达规范也可以被不同的表达目录调用。
The portrayal rules in the portrayal catalogue can be tested on the attributes of the feature instances in the dataset.
同样表达规范也可以被不同的表达目录调用。
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