Data for Exercise 1.126

Presiden

## Format

A data frame/tibble with 43 observations on five variables

first_initial

a factor with levels A., B., C., D., F., G., G. W., H., J., L., M., R., T., U., W., and Z.

last_name

a factor with levels Adams, Arthur, Buchanan, Bush, Carter, Cleveland, Clinton, Coolidge, Eisenhower, Fillmore, Ford, Garfield, Grant, Harding, Harrison, Hayes, Hoover, Jackson, Jefferson, Johnson, Kennedy, Lincoln, Madison, McKinley, Monroe, Nixon, Pierce, Polk, Reagan, Roosevelt, Taft, Taylor, Truman, Tyler, VanBuren, Washington, and Wilson

birth_state

a factor with levels ARK, CAL, CONN, GA, IA, ILL, KY, MASS, MO, NC, NEB, NH, NJ, NY, OH, PA, SC, TEX, VA, and VT

inaugural_age

President's age at inauguration

death_age

President's age at death

## References

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

## Examples


pie(xtabs(~birth_state, data = Presiden))

stem(Presiden$inaugural_age) #> #> The decimal point is 1 digit(s) to the right of the | #> #> 4 | 23 #> 4 | 667899 #> 5 | 0011112244444 #> 5 | 555566677778 #> 6 | 0111244 #> 6 | 589 #> stem(Presiden$death_age)
#>
#>   The decimal point is 1 digit(s) to the right of the |
#>
#>   4 | 69
#>   5 | 3
#>   5 | 6778
#>   6 | 003344
#>   6 | 567778
#>   7 | 0111234
#>   7 | 7889
#>   8 | 013
#>   8 | 58
#>   9 | 00
#>
par(mar = c(5.1, 4.1 + 3, 4.1, 2.1))
stripchart(x=list(Presiden$inaugural_age, Presiden$death_age),
method = "stack", col = c("green","brown"), pch = 19, las = 1)

par(mar = c(5.1, 4.1, 4.1, 2.1))