[[statsmodels]]の[endog, exog, what’s that? — statsmodels](https://www.statsmodels.org/devel/endog_exog.html)
- endog(endogenous): caused by factors within the system
- exog(exogenous): caused by factors outside the system
| endog（内生変数） | exog （外生変数） |
|:--------------------:|:---------------------:|
| y | x |
| left hand side (LHS) | right hand side (RHS) |
| dependent variable | independent variable |
| regressand | regressors |
| outcome | design |
| response variable | explanatory variable |