help reg会出现这样的一列提示,请问这些代表什么意思,英文说保存的结果,可是如何调用这样的结果,有什么命令?
Saved results
regress saves the following in e():
Scalars
e(N) number of observations
e(mss) model sum of squares
e(df_m) model degrees of freedom
e(rss) residual sum of squares
e(df_r) residual degrees of freedom
e(r2) R-squared
e(r2_a) adjusted R-squared
e(F) F statistic
e(rmse) root mean squared error
e(ll) log likelihood under additional assumption of i.i.d. normal errors
e(ll_0) log likelihood, constant-only model
e(N_clust) number of clusters
Macros
e(cmd) regress
e(cmdline) command as typed
e(depvar) name of dependent variable
e(model) ols or iv
e(wtype) weight type
e(wexp) weight expression
e(title) title in estimation output when vce() is not ols
e(clustvar) name of cluster variable
e(vce) vcetype specified in vce()
e(vcetype) title used to label Std. Err.
e(properties) b V
e(estat_cmd) program used to implement estat
e(predict) program used to implement predict
Matrices
e(b) coefficient vector
e(V) variance-covariance matrix of the estimators
Functions
e(sample) marks estimation sample



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