25. Rで線形回帰
https://github.com/shunnakamu/machine_learning_training/blob/master/R/
02_LinearRegression.R
# load airquality data
data(airquality)
# check data summary
nrow(airquality)
names(airquality)
# linear regression
airquality.lm <- lm(Ozone ~ Solar.R + Wind + Temp, data=airquality)
summary(airquality.lm)
# see Multiple R-Squared
airquality.lm$residuals
# see average of error
mean(abs(airquality.lm$residuals))
# see function coefficients
airquality.lm$coefficients