【发布时间】:2021-11-12 23:22:03
【问题描述】:
我有两个数据集。基本上,它们是两个 .arff 文件。
Fold1.arff 包含:
@relation iris
@attribute sepallength numeric
@attribute sepalwidth numeric
@attribute petallength numeric
@attribute petalwidth numeric
@attribute class {Iris-setosa,Iris-versicolor,Iris-virginica}
@data
5.1,3.5,1.4,0.2,Iris-setosa
5.4,3.7,1.5,0.2,Iris-setosa
5.4,3.4,1.7,0.2,Iris-setosa
4.8,3.1,1.6,0.2,Iris-setosa
5,3.5,1.3,0.3,Iris-setosa
7,3.2,4.7,1.4,Iris-versicolor
5,2,3.5,1,Iris-versicolor
5.9,3.2,4.8,1.8,Iris-versicolor
5.5,2.4,3.8,1.1,Iris-versicolor
5.5,2.6,4.4,1.2,Iris-versicolor
6.3,3.3,6,2.5,Iris-virginica
6.5,3.2,5.1,2,Iris-virginica
6.9,3.2,5.7,2.3,Iris-virginica
7.4,2.8,6.1,1.9,Iris-virginica
6.7,3.1,5.6,2.4,Iris-virginica
Fold2.arff 包含
@relation iris
@attribute sepallength numeric
@attribute sepalwidth numeric
@attribute petallength numeric
@attribute petalwidth numeric
@attribute class {Iris-setosa,Iris-versicolor,Iris-virginica}
@data
4.9,3,1.4,0.2,Iris-setosa
4.8,3.4,1.6,0.2,Iris-setosa
5.1,3.7,1.5,0.4,Iris-setosa
5.4,3.4,1.5,0.4,Iris-setosa
4.5,2.3,1.3,0.3,Iris-setosa
6.4,3.2,4.5,1.5,Iris-versicolor
5.9,3,4.2,1.5,Iris-versicolor
6.1,2.8,4,1.3,Iris-versicolor
5.5,2.4,3.7,1,Iris-versicolor
6.1,3,4.6,1.4,Iris-versicolor
5.8,2.7,5.1,1.9,Iris-virginica
6.4,2.7,5.3,1.9,Iris-virginica
5.6,2.8,4.9,2,Iris-virginica
7.9,3.8,6.4,2,Iris-virginica
6.9,3.1,5.1,2.3,Iris-virginica
现在我尝试使用以下命令附加它们:
java weka.core.Instances append d:\fold1.arff d:\fold2.arff > d:\result.arff
我从 Weka 简单 CLI 字段运行命令。
我收到了这个错误:
Usage:
weka.core.Instances help
Prints this help
weka.core.Instances <filename>
Outputs dataset statistics
weka.core.Instances merge <filename1> <filename2>
Merges the datasets (must have same number of rows).
Generated dataset gets output on stdout.
weka.core.Instances append <filename1> <filename2>
Appends the second dataset to the first (must have same number of attributes).
Generated dataset gets output on stdout.
weka.core.Instances headers <filename1> <filename2>
Compares the structure of the two datasets and outputs whether they
differ or not.
weka.core.Instances randomize <seed> <filename>
Randomizes the dataset and outputs it on stdout.
我的两个文件的行数相同,如您从上面的示例中看到的那样。那为什么result.arff文件不能创建呢?
谢谢。
【问题讨论】:
-
对我来说很好(在 Linux 下)。也许尝试正斜杠?