Trebuchet data

Measurements from an experiment that involved firing projectiles with a small trebuchet under different conditions.

Format

Data frames with the following variables.

object

the object serving as projectilebean big washerb bigWash BWB foose golf MWB SWB tennis ball wood

projectileWt

weight of projectile (in grams)

counterWt

weight of counter weight (in kg)

distance

distance projectile traveled (in cm)

form

a factor with levels a b B c describing the configuration of the trebuchet.

Source

Data collected by Andrew Pruim as part of a Science Olympiad competition.

Details

Trebuchet1 and Trebuchet2 are subsets of Trebuchet restricted to a single value of counterWt

Examples

data(Trebuchet); data(Trebuchet1); data(Trebuchet2)
#> Warning: data set ‘Trebuchet’ not found
gf_point(distance ~ projectileWt, data = Trebuchet1)

gf_point(distance ~ projectileWt, data = Trebuchet2)

gf_point(distance ~ projectileWt, color = ~ factor(counterWt), data = Trebuchet) %>%
  gf_smooth(alpha = 0.2, fill = ~factor(counterWt))
#> `geom_smooth()` using method = 'loess'
#> Warning: pseudoinverse used at 60.18
#> Warning: neighborhood radius 14.18
#> Warning: reciprocal condition number  7.8041e-17
#> Warning: There are other near singularities as well. 196
#> Warning: pseudoinverse used at 28.845
#> Warning: neighborhood radius 26.155
#> Warning: reciprocal condition number  8.4291e-17
#> Warning: There are other near singularities as well. 676