presidents

Quarterly Approval Ratings of US Presidents

A pre-loaded example dataset in R

Main page: https://www.rdocumentation.org/packages/datasets/versions/3.6.2/topics/presidents

presidents

##      Qtr1 Qtr2 Qtr3 Qtr4
## 1945   NA   87   82   75
## 1946   63   50   43   32
## 1947   35   60   54   55
## 1948   36   39   NA   NA
## 1949   69   57   57   51
## 1950   45   37   46   39
## 1951   36   24   32   23
## 1952   25   32   NA   32
## 1953   59   74   75   60
## 1954   71   61   71   57
## 1955   71   68   79   73
## 1956   76   71   67   75
## 1957   79   62   63   57
## 1958   60   49   48   52
## 1959   57   62   61   66
## 1960   71   62   61   57
## 1961   72   83   71   78
## 1962   79   71   62   74
## 1963   76   64   62   57
## 1964   80   73   69   69
## 1965   71   64   69   62
## 1966   63   46   56   44
## 1967   44   52   38   46
## 1968   36   49   35   44
## 1969   59   65   65   56
## 1970   66   53   61   52
## 1971   51   48   54   49
## 1972   49   61   NA   NA
## 1973   68   44   40   27
## 1974   28   25   24   24

require(stats)
require(graphics)
plot(
    presidents, las = 1, ylab = "Approval rating (%)",
    main = "presidents data"
)