并提出了针对不同类簇判断有效降维维数的模型选择准则。
The model selection principle of determining effective number of dimensionality reduction for different clusters is proposed.
以不同类型水稻品种为材料，分析了稻穗颖花开花日序对籽粒胚乳细胞数和米质形成的影响。
Using different rice cultivars as materials, effect of flowering sequence on endosperm cells (ECs) and grain quality was analyzed.
该方法可以有效地降低特征维数，降低了计算量，并且能够增大不同类别的特征间的距离，有助于实现更好的分类结果。
This method can reduce dimension of the feature and calculated amount, and besides it can increase the distance between the feature, this all contribute to a better classification result.
该方法可以有效地降低特征维数，降低了计算量，并且能够增大不同类别的特征间的距离，有助于实现更好的分类结果。
This method can reduce dimension of the feature and calculated amount, and besides it can increase the distance between the feature, this all contribute to a better classification result.
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