List of 12
$ coefficients : Named num [1:2]
   6.526 -0.223
$ residuals : Named num [1:150]
   -0.644 -0.956 -1.111 -1.234
   -0.722 ...
$ effects : Named num [1:150]
   -71.566 -1.188 -1.081 -1.187
   -0.759 ...
$ rank : int 2
$ fitted.values: Named num [1:150]
   5.74 5.86 5.81 5.83 5.72 ...
$ assign : int [1:2] 0 1
$ qr :List of 5
$ df.residual : int 148
$ xlevels : Named list()
$ call : language lm(formula = frm1,
   data = iris)
$ terms :Classes 'terms', 'formula'
   language Sepal.Length ~
   Sepal.Width
$ model :'data.frame': 150 obs. of 2
   variables:
- attr(*, "class")= chr "lm"