DeniuHe的博客

import numpy as np import copy import pandas as pd from sklearn import datasets from sklearn.decomposition import PCA from sklearn.preprocessing import StandardScaler MNIST = datasets.fetch_mldata('...

package classifier; public class getSqrt { public static void main(String[] args){ double a = 15; System.out.println(Math.sqrt(a)); System.out.println(Math.floor(Math.sqr...

package classifier; import weka.core.Instances; import weka.core.converters.ConverterUtils.DataSource; import weka.core.converters.ArffSaver; import java.util.Random; import java.io.File; public cl...

import numpy as np import pandas as pd from sklearn import datasets X,y = datasets.load_breast_cancer(return_X_y=True) y = np.vstack(y) print(X.shape) print(y.shape) data = np.hstack((X,y)) print(da...