1、首先打开一份要进行线性回归分析的SPSS数据,然后点击【分析-回归-线性】。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/8326cffc1e178a82dc36c7dee603738da977e842?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、然后将因变量和自变量分别放入相应的框中,如下图所示。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/3812b31bb051f819e82fbb34cab44aed2e73e742?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、接着可以进行选择变量,即对变量进行筛选,并利用右侧的“规则”按钮建立一个选择条件,这样,只有满足该条件的记录才能进行回归分析。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/8718367adab44aed5c44069aa31c8701a18bfb42?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、接着点击右侧的统计量打开统计量子对话框,然后勾选图中的选项。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/86d6277f9e2f0708530f927ef924b899a901f242?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、接着打开选项子对话框,然后勾选【在等式中包含常亮】。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/4d086e061d950a7b863ff6ba1ad162d9f2d3c942?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、这里需要先对自变量和因变量进行方差齐性检验,然后能得到a=110.190,b=-0.391,线性回归方程结果为:y=110.190-0.391x。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/a8ec8a13632762d078341cc1b0ec08fa513dc642?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)