Calculate median-1.5IQR
See also
Other stat functions: 
Percentile0%(),
Percentile100%(),
Percentile10%(),
Percentile15%(),
Percentile1%(),
Percentile2.5%(),
Percentile20%(),
Percentile25%-1.5IQR(),
Percentile25%(),
Percentile50%(),
Percentile5%(),
Percentile75%+1.5IQR(),
Percentile75%(),
Percentile80%(),
Percentile85%(),
Percentile90%(),
Percentile95%(),
Percentile97.5%(),
Percentile99%(),
mean+1.96sd(),
mean+sd(),
mean-1.96sd(),
mean-sd(),
median+1.5IQR(),
median+IQR(),
median-IQR()
Examples
# Calculate median-1.5IQR
`median-1.5IQR`(rnorm(1000))
#> [1] -2.028431