Cross Validation: A Beginner’s Guide An introduction to LOO, K-Fold, and Holdout model validation By: Caleb Neale, Demetri Workman, Abhinay Dommalapati 源自:https://towardsdatascience.com/cross-validation-a-beginners-guide-5b8ca04962cd 文章目录…
import pandas as pd
import numpy as np
from sklearn.preprocessing import LabelEncoder, StandardScaler # 类别标签编码,标准化处理
from sklearn.decomposition import PCA # 主成分分析
import matplotlib.pyplot as plt
from sklearn.model_selection impor…
wshanshi:总结记录…便于回顾… 安装node.js时出现了一个异常:Error: No such file or directory rb_sysopen
原因是依赖下载失败,可能是brew源中未找到相关依赖。可尝试单独安装依赖,如brew install xxxx,之后再操作…