石家庄学院学报
石傢莊學院學報
석가장학원학보
Journal of Shijiazhuang University
2013年
6期
90~93
,共null页
生态环境质量 主成分分析法 合肥市
生態環境質量 主成分分析法 閤肥市
생태배경질량 주성분분석법 합비시
eco-environmental quality; principal component analysis; Hefei City
主成分分析法旨在把多指标转化为少数几个综合指标,是一种降维的方法.从自然、社会、经济角度,选取了27个指标,构建了合肥市生态环境质量评价指标体系.利用主成分分析法对合肥市2000—2010年生态环境发展变化进行定量评价.为合肥市生态环境建设提供科学依据.
主成分分析法旨在把多指標轉化為少數幾箇綜閤指標,是一種降維的方法.從自然、社會、經濟角度,選取瞭27箇指標,構建瞭閤肥市生態環境質量評價指標體繫.利用主成分分析法對閤肥市2000—2010年生態環境髮展變化進行定量評價.為閤肥市生態環境建設提供科學依據.
주성분분석법지재파다지표전화위소수궤개종합지표,시일충강유적방법.종자연、사회、경제각도,선취료27개지표,구건료합비시생태배경질량평개지표체계.이용주성분분석법대합비시2000—2010년생태배경발전변화진행정량평개.위합비시생태배경건설제공과학의거.
Principal component analysis is designed index,so it is a dimension reduction method. This article to put the indicators into a few more comprehensive views to construct eco-environmental quality evaluation selects 27 indicators in natural ,social and economic index system of Hefei City. Based on principal component analysis ,the quantitative assessment of the development conditions of the ecological environment in Hefei from 2000 to 2010 is made,which provides scientific basis for eco-environmental construction in Hefei.