
各位大神,不知道谁会绝对主成分分析-多元线性回归(APCS …
绝对因子分析/多元线性回归受体模型(APCS—MLR)的基本原理是将因子分析的主因子得分转化为绝对主因子得分(APCS),各指标含量再分别对所有的APCS进行多元线性回归,回归系 …
APCS-MLR结合PMF模型的塔里木河上游沉积物重金属源解析与风 …
结合相关性分析、聚类分析、绝对主成分-多元线性回归(APCS-MLR)和正定矩阵因子分析(PMF)等解析污染来源及其贡献,运用富集系数法、地质累积指数法、沉积物污染指数法和 …
Trace elements in surface sediments from Xinyanggang River of …
2023年2月1日 · The unknown sources have positive correlations with FC2, FC4, and APCS2, indicating that these factors can explain the composition of the unidentified sources to some …
基于PMF-PCA/APCS与PERI的菏泽油用牡丹种植区表层土壤重金属 …
将每个样品的因子得分与人为样本做减法, 计算出每种重金属的绝对主成分因子 (APCS). 潜在生态风险指数 (potential ecological risk index, PERI)是由瑞典科学家Håkanson于20世纪80年代创 …
Heavy metal pollution and ecological risk under different land use ...
2023年6月30日 · APCS2 mainly contributed to Cr at a higher rate of 40.51% and could be combined with the spatial pattern of Cr in soil layer B, which is very consistent with the PCA …
Source apportionment of potentially toxic elements in soils
2020年9月3日 · The hotspots of APCS2, PMF-F2, Cu and Zn coincided with the spatial distribution of agricultural land types including grain crop land, orchard land and vegetable …
ArifRoktim/PotatoPower: APCS2 Final Project -- Tower Defense - GitHub
APCS2 Final Project -- Tower Defense Game. Shakil Rafi, Alitquan Mallick, Arif Roktim. What is it? This project is a tower defense game. Enemies are spawned at the beginning of a path and …
Final Project for APCS2: Bloons Tower Defense - GitHub
Final Project for APCS2: Bloons Tower Defense. Contribute to jschluger/a2fp_PABLO development by creating an account on GitHub.
APCS-大學程式設計先修檢測
APCS大學程式設計先修檢測,藉由舉辦具公信力之「程式設計檢測」,讓具備程式設計能力之高中職學生,能夠檢驗學習成果,並供作大學選才的參考依據。
基于APCS-MLR模型的沱河流域污染来源解析
Abstract: In order to investigate the water quality characteristics and pollution sources of the Tuohe River, this study used the absolute principal component score-multiple linear regression …
- 某些结果已被删除