ifelse1 {muS2RC} | R Documentation |
Places values into an object according to the logical values in test.
ifelse1(test, x, y, ...)
test |
logical object. Missing values (NA) are allowed |
x |
action to be taken if test is TRUE |
y |
action to be taken if test is FALSE |
... |
other |
NA values in test cause NAs in the result. Compared with ifelse() in Splus, the length of test in ifelse1() is 1, which means ifelse1() will do only one test.
x or y depending on test.
Knut M. Wittkowski kmw@rockefeller.edu
c <- 5 ifelse1(c>=0, 1, -1) # [1] 1