How can I test if the square root of a number is an integer using R?
The following all evaluate to FALSE.
is.integer( sqrt(25) )
is.integer( sqrt(25L) )
testing for an integer square root in R
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Ok, I found a work around, but I'm not sure if it's efficient or even robust to using more exotic numbers.
Evaluates to
TRUE.Perhaps a better way of doing this would be:
Which also evaluates to
TRUE. Adapted from this answer.