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josealvarez97/Preclass3.3.R

Created September 24, 2018 19:07
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Preclass3.3.R
# Produce model from training set
LinearRegression.1 <- lm(clickperview ~ timeofday + Post_type + promotion + target_audience, data=Lironne_DataSet_Training)
summary(LinearRegression.1)
predict(LinearRegression.1,Lironne_DataSet_Training) == Lironne_DataSet_Training
# Calculate RMSE for training set
RMSE.trainingset <- sqrt(mean( (Lironne_DataSet_Training$clickperview - predict(LinearRegression.1, Lironne_DataSet_Training))^2 ))
RMSE.trainingset
# Calculate RMSE for test set
RMSE.testset <- sqrt(mean( (Lironne_DataSet_Test$clickperview - predict(LinearRegression.1, Lironne_DataSet_Test))^2 ))
RMSE.testset
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