export dof (#236)

* export dof

* Update FixedEffectModels.jl

* Update partial_out.jl

Author: matthieugomez

src/FixedEffectModels.jl

@@ -25,7 +25,7 @@ include("fit.jl")
 include("partial_out.jl")
 
 # Export from StatsBase
-export coef, coefnames, coeftable, responsename, vcov, stderror, nobs, dof_residual, r2, adjr2, islinear, deviance, rss, mss, confint, predict, residuals, fit
+export coef, coefnames, coeftable, responsename, vcov, stderror, nobs, dof, dof_residual, r2, r², adjr2, adjr², islinear, deviance, rss, mss, confint, predict, residuals, fit
 
 export reg,
 partial_out,

src/partial_out.jl

@@ -18,7 +18,8 @@ Partial out variables in a Dataframe
 
 ### Details
 `partial_out` returns the residuals of a set of variables after regressing them on a set of regressors. The syntax is similar to `reg` - but it accepts multiple dependent variables. It returns a dataframe with as many columns as there are dependent variables and as many rows as the original dataframe.
-The regression model is estimated on only the rows where *none* of the dependent variables is missing. With the option `add_mean = true`, the mean of the initial variable is added to the residuals.
+The regression model is estimated on only the rows where *none* of the dependent variables is missing. 
+Finally, with the option `add_mean = true`, the mean of the initial variable is added to the residuals.
 
 ### Examples
 ```julia