make interaction equation
make interaction equation
interactStr(x, prefix = "a", skip = FALSE, count = 1, addPrefix = TRUE)
x |
character vector |
prefix |
prefix |
skip |
whether or not skip |
count |
Numeric |
addPrefix |
A logical |
interactStr(LETTERS[1]) interactStr(LETTERS[1:3]) interactStr(LETTERS[1:3],skip=TRUE)
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