数据标准化

做类似相关性分析和主成分分析(PCA)的数据分析,在处理数据之前,需要注意数据的标准化,尤其是当数据集的各个变量的量纲不一致或变量范围差异较大时。

标准化是将数据按比例缩放,使之落入一个小的特定区间,如0到1,或使数据的均值为0,标准差为1(Z-score标准化)。这一步骤对于PCA尤其重要,因为PCA通过分析变量的协方差矩阵来提取主成分,而变量的量纲和大小会影响协方差的计算结果,从而影响主成分分析的输出。未经标准化的数据可能会导致某些变量由于其数值范围大而对分析结果产生不成比例的影响。标准化确保每个变量对PCA结果的贡献是公平的,同时也有助于提高相关性分析的准确性。

课程归档(本科)

现代自然地理

http://www.yifeiluo.cn/wp-content/uploads/2024/04/现代自然地理1.pdf
http://www.yifeiluo.cn/wp-content/uploads/2024/04/现代自然地理2.pdf
http://www.yifeiluo.cn/wp-content/uploads/2024/04/现代自然地理3.pdf
http://www.yifeiluo.cn/wp-content/uploads/2024/04/现代自然地理4.pdf
http://www.yifeiluo.cn/wp-content/uploads/2024/04/现代自然地理5.pdf
http://www.yifeiluo.cn/wp-content/uploads/2024/04/现代自然地理6.pdf
http://www.yifeiluo.cn/wp-content/uploads/2024/04/现代自然地理7.pdf
http://www.yifeiluo.cn/wp-content/uploads/2024/04/现代自然地理8.pdf
http://www.yifeiluo.cn/wp-content/uploads/2024/04/现代自然地理9.pdf
http://www.yifeiluo.cn/wp-content/uploads/2024/04/现代自然地理10.pdf
http://www.yifeiluo.cn/wp-content/uploads/2024/04/现代自然地理11.pdf
http://www.yifeiluo.cn/wp-content/uploads/2024/04/现代自然地理12.pdf
http://www.yifeiluo.cn/wp-content/uploads/2024/04/现代自然地理13.pdf
http://www.yifeiluo.cn/wp-content/uploads/2024/04/现代自然地理14.pdf
http://www.yifeiluo.cn/wp-content/uploads/2024/04/现代自然地理18.pdf

遥感概论

http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感概论-1.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感概论-2.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感概论-3.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感概论-4.pdf

遥感数字图像处理

http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数字图像处理-1.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数字图像处理-2.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数字图像处理-3.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数字图像处理-4.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数字图像处理-5.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数字图像处理-6.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数字图像处理-7.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数字图像处理-8.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数字图像处理-9.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数字图像处理-10.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数字图像处理-11.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数字图像处理-12.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数字图像处理-13.pdf

遥感数据处理综合实践

http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数据处理综合实践-1.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数据处理综合实践-2.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数据处理综合实践-3.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数据处理综合实践-4.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数据处理综合实践-5.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数据处理综合实践-6.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感数据处理综合实践-7.pdf

AutoCAD

http://www.yifeiluo.cn/wp-content/uploads/2023/11/AutoCAD-1.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/AutoCAD-2.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/AutoCAD-3.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/AutoCAD-4.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/AutoCAD-5.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/AutoCAD-6.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/AutoCAD-7.pdf

空间数据采集及管理实践

http://www.yifeiluo.cn/wp-content/uploads/2023/11/空间数据采集及管理综合实践-1.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/空间数据采集及管理综合实践-2.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/空间数据采集及管理综合实践-3.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/空间数据采集及管理综合实践-4.pdf

地理信息系统工程

http://www.yifeiluo.cn/wp-content/uploads/2023/11/UML-1.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/UML-2.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/UML-3.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/UML-4.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/UML-5.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/UML-6.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/UML-7.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/UML-8.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/UML建模.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS工程考察论文.pdf

地理信息系统三维建模方法与应用

http://www.yifeiluo.cn/wp-content/uploads/2023/11/CE建模-1.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/CE建模-2.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/CE建模-3.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/CE建模-4.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/CE建模-5.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/CE建模-6.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/CE建模-7.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/CE建模-8.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/CE建模-9.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/CE建模-10.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/CE建模-11.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/CE建模-12.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/CE建模-13.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/CE建模-14.pdf

地图学

http://www.yifeiluo.cn/wp-content/uploads/2023/11/1-地图学绪论.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/2-地图概括.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/3-地图语言.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/4-地图表示方法.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/5-坐标系.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/6-地图投影的概念与变形.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/7-方位投影.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/8-圆柱投影与墨卡托投影.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/9-高斯克吕格投影.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/10-圆锥投影.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/11-地图投影的判别与选择.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/12-地图学史.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/墨卡托投影与航线.pdf

地理信息系统

http://www.yifeiluo.cn/wp-content/uploads/2023/11/初级地理信息系统期末考察.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/高级GIS-1.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/高级GIS-2.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/高级GIS-3.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/高级GIS-4.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/高级GIS-5.pdf

MatLab

http://www.yifeiluo.cn/wp-content/uploads/2023/11/第1章-MATLAB系统环境_源程序.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第2章-MATLAB数据及其运算_源程序.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第3章-MATLAB矩阵处理_源程序.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第4章-MATLAB程序流程控制_源程序.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第5章-MATLAB绘图_源程序.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第6章-MATLAB数据分析与多项式计算__源程序.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第7章-MATLAB数值微分与积分__源程序.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第8章-MATLAB方程数值求解__源程序.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第9章-MATLAB符号计算_源程序.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第10章-MATLAB图形对象句柄__源程序.pdf

http://www.yifeiluo.cn/wp-content/uploads/2023/11/第1章-MATLAB系统环境_习题答案.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第2章-MATLAB数据及其运算_习题答案.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第3章-MATLAB矩阵处理_习题答案.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第4章-MATLAB程序流程控制_习题答案.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第5章-MATLAB绘图_习题答案.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第6章-MATLAB数据分析与多项式计算_习题答案.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第7章-MATLAB数值微分与积分_习题答案.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第8章-MATLAB方程数值求解_习题答案.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第9章-MATLAB符号计算_习题答案.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/第10章-MATLAB图形对象句柄_习题答案.pdf

地理信息系统应用开发

http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS应用开发-1.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS应用开发-2.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS应用开发-3.pdf

C程序设计

http://www.yifeiluo.cn/wp-content/uploads/2023/11/C语言程序设计-1.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/C语言程序设计-2.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/C语言程序设计-3.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/C语言程序设计-4.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/C语言程序设计-5.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/C语言程序设计-6.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/C语言程序设计-7.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/C语言程序设计-8.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/C语言程序设计-9.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/C语言程序设计-10.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/C语言程序设计-11.pdf

地理信息系统概论

http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS概论-1.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS概论-2.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS概论-3.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS概论-4.pdf

空间数据库

http://www.yifeiluo.cn/wp-content/uploads/2023/11/空间数据库-1.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/空间数据库-2.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/空间数据库-3.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/空间数据库-4.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/空间数据库-5.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/数据库读写操作.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/界面交互数据库读写.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/树状结构读写文件.pdf

数字测图野外实践

http://www.yifeiluo.cn/wp-content/uploads/2023/11/数字测图设计书.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/数字测图设计报告.pdf

网络地理信息系统

http://www.yifeiluo.cn/wp-content/uploads/2023/11/网络GIS课程论文.pdf

遥感地学分析

http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感地学分析-1.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感地学分析-2.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感地学分析-3.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感地学分析-4.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感地学分析-5.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感地学分析-6.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感地学分析-7.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感地学分析-8.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感地学分析-9.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感地学分析-10.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感地学分析-11.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/遥感地学分析-12.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/实验-1.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/实验-2.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/实验-3.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/实验-4.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/实验-5.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/IDL实践.pdf

自然地理野外实习

http://www.yifeiluo.cn/wp-content/uploads/2023/11/庐山实习.pdf

GIS算法原理

http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS算法原理-1.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS算法原理-2.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS算法原理-3.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS算法原理-4.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS算法原理-5.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS算法原理-6.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS算法原理-7.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS算法原理-8.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS算法原理-9.pdf
http://www.yifeiluo.cn/wp-content/uploads/2023/11/GIS算法原理-10.pdf