service.strict_to_numeric_threshhold_greater {kidney.epi}

Select only numeric values lower than defined threshhold

Description

Select only numeric values lower than defined threshhold

Usage

service.strict_to_numeric_threshhold_greater(x, threshhold)

Arguments

x

the vector to be checked.

threshhold

numeric the threshhold to compare with.

Details

Select only numeric values lower than defined threshhold, and substitute other values with NA.

Programming: Boris Bikbov [e-mail].

Value

numeric returns only numeric values lower than threshhold.

Examples

myvals <- c(1, 8, -5, "oggi", NA)
# ruturn to myvals2 only numeric values lower than threshhold  (3 in this case)
#   susbstitute non-numeric or negative values with NA
myvals2 <- service.strict_to_numeric_threshhold_greater(myvals, 3)
myvals2 # 1, NA, -5, NA, NA