is.real.positive: check wether numbers of a vector are real positive
Description
This function checks wether the numbers of a vector are positive. It returns TRUE/FALSE.
Real positive means, that zero is included as a positive number.
# NOT RUN {is.real.positive(-3) # this will return FALSEis.real.positive(0) # this will return TRUEx <- c(0, -1, -2, 3.02, 4, -5.2, 6, -7)
is.real.positive(x)
# }