lm() with a categorical explanatory variable
Linear regressions also work with categorical explanatory variables. In this case, the code to run the model is the same, but the coefficients returned by the model are different. Here you'll run a linear regression on the Taiwan real estate dataset.
taiwan_real_estate is available.
Это упражнение является частью курса
Introduction to Regression in R
Интерактивное практическое упражнение
Попробуйте выполнить это упражнение, дополнив этот пример кода.
# Run a linear regression of price_twd_msq vs. house_age_years
mdl_price_vs_age <- ___
# See the result
mdl_price_vs_age