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函数
- BinaryDistance
- BrayCurtisDistance
- CanberraDistance
- CanonicalWarpingDistance
- CentralFeature
- ChessboardDistance
- ClusteringTree
- ColorDistance
- CorrelationDistance
- CosineDistance
- DamerauLevenshteinDistance
- DateDifference
- Dendrogram
- DiceDissimilarity
- DistanceFunction
- DistanceMatrix
- DistanceTransform
- EditDistance
- EuclideanDistance
- FeatureDistance
- FindClusters
- FindShortestTour
- GeoDistance
- GraphDistance
- HammingDistance
- ImageDistance
- JaccardDissimilarity
- ManhattanDistance
- MatchingDissimilarity
- MeanShift
- Nearest
- NeedlemanWunschSimilarity
- NormalizedSquaredEuclideanDistance
- RogersTanimotoDissimilarity
- RussellRaoDissimilarity
- SequenceAlignment
- SmithWatermanSimilarity
- SokalSneathDissimilarity
- SquaredEuclideanDistance
- TravelDistance
- TravelTime
- WarpingDistance
- YuleDissimilarity
- 相关指南
- 技术笔记
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-
函数
- BinaryDistance
- BrayCurtisDistance
- CanberraDistance
- CanonicalWarpingDistance
- CentralFeature
- ChessboardDistance
- ClusteringTree
- ColorDistance
- CorrelationDistance
- CosineDistance
- DamerauLevenshteinDistance
- DateDifference
- Dendrogram
- DiceDissimilarity
- DistanceFunction
- DistanceMatrix
- DistanceTransform
- EditDistance
- EuclideanDistance
- FeatureDistance
- FindClusters
- FindShortestTour
- GeoDistance
- GraphDistance
- HammingDistance
- ImageDistance
- JaccardDissimilarity
- ManhattanDistance
- MatchingDissimilarity
- MeanShift
- Nearest
- NeedlemanWunschSimilarity
- NormalizedSquaredEuclideanDistance
- RogersTanimotoDissimilarity
- RussellRaoDissimilarity
- SequenceAlignment
- SmithWatermanSimilarity
- SokalSneathDissimilarity
- SquaredEuclideanDistance
- TravelDistance
- TravelTime
- WarpingDistance
- YuleDissimilarity
- 相关指南
- 技术笔记
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函数
距离和相似度测量
距离或相似度的不同测量方法便于不同类型的分析. Wolfram 语言提供内置函数用于许多标准的距离测量,以及给出任意测量的符号定义.
数值数据
EuclideanDistance ▪ SquaredEuclideanDistance ▪ NormalizedSquaredEuclideanDistance ▪ ManhattanDistance ▪ ChessboardDistance ▪ BrayCurtisDistance ▪ CanberraDistance ▪ CosineDistance ▪ CorrelationDistance ▪ BinaryDistance ▪ WarpingDistance ▪ CanonicalWarpingDistance
布尔数据
HammingDistance ▪ JaccardDissimilarity ▪ MatchingDissimilarity ▪ DiceDissimilarity ▪ RogersTanimotoDissimilarity ▪ RussellRaoDissimilarity ▪ SokalSneathDissimilarity ▪ YuleDissimilarity
字符串数据
EditDistance ▪ DamerauLevenshteinDistance ▪ HammingDistance ▪ SmithWatermanSimilarity ▪ NeedlemanWunschSimilarity
图像与颜色
地理空间与时间数据
GeoDistance ▪ TravelDistance ▪ TravelTime ▪ DateDifference
通用与混合数据
FeatureDistance — 通过数据训练所得特征空间中的距离
DistanceFunction — 指定距离函数的选项
DistanceMatrix — 元素间成双距离的矩阵
Nearest ▪ FindClusters ▪ MeanShift ▪ FindShortestTour ▪ SequenceAlignment ▪ DistanceTransform ▪ GraphDistance ▪ CentralFeature
可视化
相关技术笔记
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▪
- 把数据划分为聚类