Ozone concentrations at Mt. Mitchell, North Carolina

Data for Exercise 5.63

Tablrock

Format

A data frame/tibble with 719 observations on the following 17 variables.

day

date

hour

time of day

ozone

ozone concentration

tmp

temperature (in Celcius)

vdc

a numeric vector

wd

a numeric vector

ws

a numeric vector

amb

a numeric vector

dew

a numeric vector

so2

a numeric vector

no

a numeric vector

no2

a numeric vector

nox

a numeric vector

co

a numeric vector

co2

a numeric vector

gas

a numeric vector

air

a numeric vector

References

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

Examples

summary(Tablrock$ozone)
#>    Min. 1st Qu.  Median    Mean 3rd Qu.    Max.    NA's 
#>    0.00   11.00   20.00   23.69   33.00  254.00      90 
boxplot(Tablrock$ozone)

qqnorm(Tablrock$ozone)
qqline(Tablrock$ozone)

par(mar = c(5.1 - 1, 4.1 + 2, 4.1 - 2, 2.1))
boxplot(ozone ~ day, data = Tablrock, 
        horizontal = TRUE, las = 1, cex.axis = 0.7)

        par(mar = c(5.1, 4.1, 4.1, 2.1))
if (FALSE) {
library(ggplot2)
  ggplot2::ggplot(data = Tablrock, aes(sample = ozone)) + 
             geom_qq() + 
             theme_bw()
  ggplot2::ggplot(data = Tablrock, aes(x = as.factor(day), y = ozone)) + 
             geom_boxplot(fill = "pink") + 
             coord_flip() + 
             labs(x = "") + 
             theme_bw()
}