Attributes

onetofour <- c(first=1,second=2,third=3,fourth=4)

attributes(onetofour)

$names
[1] "first"  "second" "third"  "fourth"

set.seed(42)
satisfaction <- sample(1:4,size=20,replace=TRUE)

satisfaction <- ordered(satisfaction,
                       levels=1:4,
                       labels=c(
                           "not at all",
                           "low",
                           "medium",
                           "high"))
attributes(satisfaction)

$levels
[1] "not at all" "low"        "medium"     "high"      

$class
[1] "ordered" "factor" 

attr(satisfaction,"levels")

[1] "not at all" "low"        "medium"     "high"      

levels(satisfaction)

[1] "not at all" "low"        "medium"     "high"      

attr(satisfaction,"class")

[1] "ordered" "factor" 

class(satisfaction)

[1] "ordered" "factor" 

• R file: attributes.R
• Rmarkdown file: attributes.Rmd
• Jupyter notebook file: attributes.ipynb
• Interactive version of the Jupyter notebook (shuts down after 60s):
  
• Interactive version of the Jupyter notebook (sign in required):