在进行包含多个指标的综合评价时,客观且全面是对综合评价结果的必然要求。可惜的是,多个评价指标之间往往存在信息重叠的情况,此外还会存在量纲(计量单位)不统一、权重很难确定等问题。主成分分析方法能够解决以上问题。
电脑:华为MateBook14
系统:Windows10
软件:spss1.0
1、选择分析的数据。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/cf1b9d16fdfaaf51e452d32a9e5494eef11f7af5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、选择菜单【分析】-【降维】-【因子分析】。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9825bc315c6034a87d53ea14d9134954082376f5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、打开对话框,将相关变量选入到变量栏中。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9358d109b3de9c82ffd4ab1a7e81800a18d843f5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/960a304e251f95caee44c023db177f3e660952f5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、击得分按钮,选中保存为变量和显示因子得分系数矩阵。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/71cf3bc79f3df8dc988cdd04df11728b461028f5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、打开描述选项,选择如下。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/c2fdfc039245d68881b3e031b6c27d1ed31b24f5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、打开选项按钮,选择如下。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/1ad5ad6eddc451dade475e7ea4fd5266d11632f5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
7、确定,结果如下。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/5bafa40f4bfbfbedd1e864ea6af0f736aec31ff5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/5366d0160924ab18f1a7b3a227fae6cd7a890bf5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0eb30f2442a7d933b819b6e6bf4bd11372f001f5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)