Estimate the lower limit of quantification (LLOQ) from a vector

Nonnegative values are considered to be above the LLOQ. NA values are ignored.

Usage

estimate_lloq(x)

Arguments

x

The numeric vector to use for estimation of the LLOQ

Value

The lowest, nonzero value from x. If all are NA or zero, 1 is returned, and a warning is issued.

See also

Other BLQ Transformation: blq_trans(), breaks_blq_general(), ftrans_blq_linear(), itrans_blq_linear(), label_blq()

Examples

estimate_lloq(c(NA, 0, 2, 5))
#> [1] 2