Base function for computing bootstrapped lineup proportion for a lineup member
Usage
lineup_prop_boot(lineup_vec, d, target_pos)
Arguments
- lineup_vec
A numeric vector of lineup choices
- d
Indices for bootstrap sample. Argument used by boot function to
select samples for bootstrapping
- target_pos
A scalar, representing target position in lineup. Must be declared by user
Details
Function to call when bootstrap resampling using boot function
References
Davison, A.C. & Hinkley, D.V. (1997). Bootstrap methods and their
application. Cambridge University Press.
Wells, G. L.,Leippe, M. R., & Ostrom, T. M. (1979). Guidelines for
empirically assessing the fairness of a lineup. Law and Human Behavior,
3(4), 285-293.
See also
boot: https://cran.r-project.org/web/packages/boot/boot.pdf
Examples
lineup_vec <- round(runif(100, 1, 6))
bootobject <- boot::boot(lineup_vec, lineup_prop_boot, target_pos = 3, R = 1000)
cis <- boot::boot.ci(bootobject, conf = 0.95, type = "all", target_pos = 3)
#> Warning: bootstrap variances needed for studentized intervals