Quality control dataset for quadcopter drone blades, where this data has
been made up for an example.
A data frame with 2000 observations on the following 2 variables.
- supplier
The supplier for the blade.
- inspection
The inspection conclusion.
References
OpenIntro Statistics, Third Edition and Fourth Edition.
Examples
library(dplyr)
drone_blades |>
count(supplier, inspection)
#> # A tibble: 4 × 3
#> supplier inspection n
#> <fct> <fct> <int>
#> 1 current_supplier fail 101
#> 2 current_supplier pass 899
#> 3 prospective_supplier fail 42
#> 4 prospective_supplier pass 958
