in R, how can I see if three elements of a character vector are the same out of a vector of length 5 -


i have poker hand , need check 3 of kind. there way see if 3 elements in vector same other 2 different?

e.g.:

hand <- c("q","q","6","5","q")

should return true 3 of kind.

hand2 <- c("q","q","6","6","q")

...would full-house though, , shouldn't identified 3 of kind.

using table , logic checking should there:

tab <- table(hand) #hand #5 6 q  #1 1 3 any(tab==3) & (sum(tab==1)==2) #[1] true  tab <- table(hand2) #hand2 #6 q  #2 3  any(tab==3) & (sum(tab==1)==2) #[1] false

this works because any across table, checking if there card values repeated 3 times. tab==1 part of function checks if values in table equal 1, returning true or false each part of table. sum-ing true/false values equivalent summing 1/0 values, if check had sum of 2 other cards, can sure different.


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