Dart shots are not evenly distributed. You are more likely to get the height wrong then the width - this is because of how the dart travels.
Darts dip a lot in flight - they do not move side to side as much. As a dart player, I guesstimate that after only a few hours practice most people will be off 1.5cm or so in the vertical but only 0.75cm in the horizontal
Professional dart players are always aiming at 20. If they block the triple-twenty with their first or second dart, they then aim at triple-19.with some players preferring triple-18 since height-wise it is in similar range
To adjust the model for this effect one needs to scale the axis of the multivariate Gaussian noise differently.
But does the variation in the two different axis result from "how the dart travels", i.e. the physics ? To me it seems to be a matter of relative consistency of the angles with which one throws the dart. I remember reading an article that analyzed trajectories of basket ball free throws. They found for a given player their velocity of projection remained surprisingly consistent. Maybe that is true for throwing darts as well.
Comments
Dart shots are not evenly distributed. You are more likely to get the height wrong then the width - this is because of how the dart travels.
Darts dip a lot in flight - they do not move side to side as much. As a dart player, I guesstimate that after only a few hours practice most people will be off 1.5cm or so in the vertical but only 0.75cm in the horizontal
Professional dart players are always aiming at 20. If they block the triple-twenty with their first or second dart, they then aim at triple-19.with some players preferring triple-18 since height-wise it is in similar range
To adjust the model for this effect one needs to scale the axis of the multivariate Gaussian noise differently.
But does the variation in the two different axis result from "how the dart travels", i.e. the physics ? To me it seems to be a matter of relative consistency of the angles with which one throws the dart. I remember reading an article that analyzed trajectories of basket ball free throws. They found for a given player their velocity of projection remained surprisingly consistent. Maybe that is true for throwing darts as well.