?Carseats
command for the explanation of the datasetstr
function to see the characteristic of each variable. Make it sure that SelvesLoc
variable should be factor, not int or anything.
see hierarchical regression
see also statistical regression methods ← 많이 쓰이지 않음
step
or stepAIC
(MASS package needed) function?
> step(lm.full, direction=“back”)
install.packages("car")
install.packages("carData")
data("Salaries", package = "carData")
?Salaries
—-
위의 Salaries 데이터사용이 안 될 때
Salaries <- read.csv("http://commres.net/wiki/_media/salaries.csv")
??Salaries
to describe the data set.
—–
Please copy and paste the proper r command and output to a txt file (use notepad or some other text editing program). You could use MS Word, but, please make it sure that you use type-setting fonts such as “Courier New.” The below output, as an example, includes the r command head(Salaries)
and the output.
<code>
Common topics
Group topics
Questions you submit at the ajoubb.
Then we will list questions in Google docs Google survey