From 30c62dbb295dd1ea35ab8bdb777495f888c38f9a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Elias=20Ervel=C3=A4?= <elias.m.ervela@utu.fi> Date: Fri, 27 Jan 2023 07:48:39 +0000 Subject: [PATCH] Upload New File --- RASL_Ex1.r | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 RASL_Ex1.r diff --git a/RASL_Ex1.r b/RASL_Ex1.r new file mode 100644 index 0000000..524e771 --- /dev/null +++ b/RASL_Ex1.r @@ -0,0 +1,22 @@ +#Exercise 2 + +#a) +pickup=read.csv("pickup.csv",header=TRUE) +attach(pickup) +plot(pickup) + +#b) +#linear model +linearmodel=lm(log(price)~.,data=pickup) +summary(linearmodel) + +#model diagnostics +plot(linearmodel) + +#c) +#adding interaction terms +linearmodel2=lm(log(price)~year+miles+make+make*miles+make*year,data=pickup) +summary(linearmodel2) + +plot(linearmodel2) + -- GitLab