On 7/28/2025 5:00 PM, Daniel Lobo wrote:
Hi,
I want to draw a set of random number from Uniform distribution where
Support is the entire Real line.
runif(4, min = -Inf, max = Inf)
However it produces all NAN
Could you please help with the right approach?
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Hello,
What you are asking doesn't make sense.
The uniform distribution's PDF is
f(x;a, b) = 1/abs(b - a) if x in [a, b]
0 otherwise
So what you have is 1/abs(Inf - -Inf) = 1/abs(Inf) = 0.
And the cumulative distribution function is even worse, it will give you
the indeterminate Inf/Inf.
See the Wikipedia on the uniform distribution [1].
[1] https://en.wikipedia.org/wiki/Continuous_uniform_distribution
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