How to get within r2 and t value from FixedEffectModels?

General Usage
1

Dear all,

how to get within_r2 and t value?

julia> using DataFrames, DataFramesMeta, FixedEffectModels

julia> df = dataset("plm", "GrunFeld");

julia> fe1 = reg(df, @formula(Inv ~ Value + Capital + fe(Firm)))
                       Fixed Effect Model                       
=================================================================
Number of obs:              200   Degrees of freedom:          12
R2:                       0.944   R2 Adjusted:              0.941
F-Stat:                 309.014   p-value:                  0.000
R2 within:                0.767   Iterations:                   1
=================================================================
Inv     | Estimate Std.Error t value Pr(>|t|) Lower 95% Upper 95%
-----------------------------------------------------------------
Value   | 0.110124 0.0118567  9.2879    0.000 0.0867345  0.133513
Capital | 0.310065 0.0173545 17.8666    0.000  0.275831    0.3443
=================================================================