# Linear Regression in STATA

In STATA one can estimate a linear regression using the command  regress. In this post I will present how to use the STATA function regress to run OLS on the following model

$y = \alpha + \beta_{1} x_{1}$

In this example, our dependent variable $y$ will be my weekly average weight, the explanatory variable $x_{1}$ represents the sum of calories that I burned during the previous week. For a more detailed description of the data see here.

*start with empty workspace
clear all

*import sample data
import excel using "https://economictheoryblog.files.wordpress.com/2016/08/data.xlsx",first

*estimate linear regression model
regress weight lag_calories



The function regress returns point estimates for $\alpha$ and $\beta_{1}$. Moreover, the function returns standard error for the point estimates, along with its t-statistic, the p-value and 95% confidence intervals. The function also allows to conduct multiple regressions. That is, the function allows additional explanatory variables that can simply be added to the function as additional arguments.

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