Questions tagged [half-normal-distribution]

For questions about the half-normal distribution. It's a non-negative distribution based on the normal distribution.

4 questions
0
votes
0 answers

Is half-normal distribution sub-Gaussian?

Consider the following definition (from here). A random variable $X$ with finite mean $\mu = \mathbb{E}[X]$ is said to be sub-Gaussian with parameter $\sigma^2$ if: $$\mathbb{E}[e^{\lambda(X - \mu)}] \le e^{\frac{\lambda^2\sigma^2}{2}}.$$ Given this…
smz
  • 283