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I have

fit.all <-lm(Sepal.Length ~ .,iris)
summary(fit.all)->fit.all.summary
print(fit.all.summary$coefficients)

Output What are the coefficients ordered by?

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  • $\begingroup$ Could you share the output of your last command line? $\endgroup$
    – Miss.Alpha
    Commented Oct 15, 2022 at 21:54
  • $\begingroup$ This is a generic question. I re-wrote with the iris data set to illustrate. $\endgroup$
    – Kirsten
    Commented Oct 15, 2022 at 22:34

1 Answer 1

Reset to default
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They are simply in the exact order that you passed the data.frame to lm().

data(iris)
iris <- iris[, c(5,4,3,2,1)] #change column order

fit.all <-lm(Sepal.Length ~ .,iris)
summary(fit.all)->fit.all.summary
print(fit.all.summary$coefficients)

Output:

                    Estimate Std. Error   t value     Pr(>|t|)
(Intercept)        2.1712663 0.27979415  7.760227 1.429502e-12
Speciesversicolor -0.7235620 0.24016894 -3.012721 3.059634e-03
Speciesvirginica  -1.0234978 0.33372630 -3.066878 2.584344e-03
Petal.Width       -0.3151552 0.15119575 -2.084418 3.888826e-02
Petal.Length       0.8292439 0.06852765 12.100867 1.073592e-23
Sepal.Width        0.4958889 0.08606992  5.761466 4.867516e-08
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