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This function validates whether a numeric value is a valid proportion scalar (ranging from 0 to 1, inclusive).
validate_proportion(x)
TRUE if x is a valid proportion, otherwise it throws an error.
TRUE
x
Numeric value to validate as a proportion.
is_proportion, is_count, validate_count, is_integerlike
is_proportion
is_count
validate_count
is_integerlike
validate_proportion(0.5) # TRUE try(validate_proportion(1.2)) # Error
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