is.fuzzy | R Documentation |
Tests whether an object is "fuzzy", i.e. a logical random scalar that has probability strictly between zero and one (not strictly true nor strictly false).
is.fuzzy(x)
x |
an object, random or constant |
Jouni Kerman jouni@kerman.com
Kerman, J. and Gelman, A. (2007). Manipulating and Summarizing Posterior Simulations Using Random Variable Objects. Statistics and Computing 17:3, 235-244.
See also vignette("rv")
.
x <- as.logical(rvbern(1,0.4)) # a logical random variable is.fuzzy(x) # TRUE, since x is logical and not constant is.fuzzy(x<2) # FALSE, since x is less than 2 with probability one is.fuzzy(rvnorm(1)) # FALSE, since it's not a probability is.fuzzy(TRUE) # FALSE, since TRUE is strictly TRUE is.fuzzy(1) # FALSE, since 1 is not a logical variable
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