R语言萌新,现在在做一个针对招聘薪资的回归模型建立,我理解的到这一步应该调试到normalQQ图到大致符合直线,但是现在不知道怎么去进行下一步了,求大佬们解答一下,谢谢。
Call:
lm(formula = aveSalary ~ ., data = job_data)
Residuals:
Min 1Q Median 3Q Max
-2042.08 -1747.60 -64.83 1749.80 1868.11
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) 7661.485 84.017 91.190 <2e-16 ***
city 37.662 34.248 1.100 0.271
financeStageB轮 -17.238 67.191 -0.257 0.798
financeStageC轮 -9.585 70.751 -0.135 0.892
financeStageD轮及以上 114.363 87.351 1.309 0.190
financeStage不需要融资 37.367 53.336 0.701 0.484
financeStage上市公司 25.779 61.770 0.417 0.676
financeStage天使轮 -43.025 74.884 -0.575 0.566
financeStage未融资 64.816 56.199 1.153 0.249
companySize 1.450 14.612 0.099 0.921
education 14.760 21.732 0.679 0.497
workYear10年以上 -42.778 206.350 -0.207 0.836
workYear1年以下 201.398 164.566 1.224 0.221
workYear3-5年 6.244 35.661 0.175 0.861
workYear5-10年 17.758 48.520 0.366 0.714
workYear不限 18.424 49.956 0.369 0.712
workYear应届毕业生 -2.779 58.484 -0.048 0.962
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Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
Residual standard error: 1750 on 16269 degrees of freedom
Multiple R-squared: 0.0005538, Adjusted R-squared: -0.0004291
F-statistic: 0.5634 on 16 and 16269 DF, p-value: 0.9128