perc {FSA} | R Documentation |
Computes the percentage of values in a vector less than or greater than (and equal to) a user-supplied value.
perc(x, val, dir = c("geq", "gt", "leq", "lt"), na.rm = TRUE, digits = getOption("digits"))
x |
A numeric vector. |
val |
A single numeric value. |
dir |
A string that indicates whether the percentage is for values in |
na.rm |
A logical that indicates whether |
digits |
A single numeric that indicates the number of decimals the percentage should be rounded to. |
This function is most useful when used with an apply-type of function.
A single numeric that is the percentage of values in x
that meet the criterion in dir
relative to val
.
Derek H. Ogle, derek@derekogle.com
## vector of values ( tmp <- c(1:8,NA,NA) ) ## percentages excluding NA values perc(tmp,5) perc(tmp,5,"gt") perc(tmp,5,"leq") perc(tmp,5,"lt") ## percentages including NA values perc(tmp,5,na.rm=FALSE) perc(tmp,5,"gt",na.rm=FALSE) perc(tmp,5,"leq",na.rm=FALSE) perc(tmp,5,"lt",na.rm=FALSE)