When to use t-distribution instead of normal distribution?
3 According to the Student's t-distribution wiki article the t-distribution is used instead of the Normal distribution "when estimating the mean of a normally distributed population in situations where the …
Normal distribution instead of Logistic distribution for classification
My question is that why they don't come up with the Standard normal distribution, which truly reflects the "distribution of nature", instead of Logistic distribution ?
Normal Distribution v. Student's T Distribution - Physics Forums
May 30, 2007 · The "Empirical Rule" states that if your data is normally distributed, 95.45% of that data should fall within "2" standard deviations of your Mean. There doesn't appear to be any reference to …
Distribution vs Histogram - Data Science Stack Exchange
Jun 8, 2020 · The histogram is a visual representation of the distribution: it shows for every value the chances that it appears, and it's visually useful in order to observe the "shape" of the distribution. For …
A/B Testing (Binomial Distribution vs Random Distribution)
Nov 10, 2020 · The "distribution" of clicks in your sample is assumed to be random, but the order should not matter in the calculation, and should not affect the validity of the test results. Running an AA test …
Why are normal distributions so important in deep learning?
Jun 9, 2023 · My current belief is that it isn't so much that normal distributions are important per se, but the individual features that are input into a neural network should have the same distributions for the …
Confidence Intervals: t-distribution or normal distribution?
Oct 19, 2010 · Assuming the normal assumption is valid, the general rule is to use the t-distribution to calculate confidence intervals where the number of degrees of freedom (df=n-1) is less then 30, The …
Normal vs. LaPlace Distributions: Critical Values - Physics Forums
Nov 9, 2007 · Hello all. With the standard caveat that my background is neither in math nor science, I've nonetheless been conducting some further independent study in various areas of statistics that are of …
Is a gaussian distribution 'like a sine wave' • Physics Forums
Jun 26, 2007 · So I was having a conversation with the guy I share an office with and I brought up the gaussian distribution to show the probability distribution of energies of electrons generated by a …
Posterior Predictive Distributions in Bayesian Statistics
Feb 17, 2021 · Confessions of a moderate Bayesian, part 4 Bayesian statistics by and for non-statisticians Read part 1: How to Get Started with Bayesian Statistics Read part 2: Frequentist …