Top "Normal-distribution" questions

The normal distribution is an assumption of many parametric statistical tests, and is typically associated with a Gaussian distribution, often with mean=0 and standard deviation=1. The "bell curve" is the visual, intuitive model for this distribution.

Generating a gaussian distribution with only positive numbers

Is there any way to randomly generate a set of positive numbers such that they have a desired mean and …

algorithm statistics gaussian normal-distribution poisson
Fitting a normal distribution in R

I'm using the following code to fit the normal distribution. The link for the dataset for "b" (too large to …

r statistics distribution normal-distribution fitdistrplus
How to plot PDF and CDF for a normal distribution in matlab

I couldn't find a function in matlab that implement gets mean and standard deviation of normal distribution and plot its …

matlab normal-distribution cdf
Calculate Normal Distrubution using Java

EDIT: Actually I realized that what I need is the value of X. Let me make it clearer. Suppose, I …

java statistics normal-distribution
normality test of a distribution in python

I have some data I have sampled from a radar satellite image and wanted to perform some statistical tests on. …

python statistics scipy normal-distribution
Python numpy.random.normal only positive values

I want to create a normal distributed array with numpy.random.normal that only consists of positive values. For example …

python numpy normal-distribution
Sample from multivariate normal/Gaussian distribution in C++

I've been hunting for a convenient way to sample from a multivariate normal distribution. Does anyone know of a readily …

c++ statistics linear-algebra gaussian normal-distribution
Code to generate Gaussian (normally distributed) random numbers in Ruby

What is some code to generate normally distributed random numbers in ruby? (Note: I answered my own question, but I'll …

ruby random normal-distribution
Random number within a range based on a normal distribution

I want to generate random numbers with a range (n to m, eg 100 to 150), but instead of purely random I …

random gaussian normal-distribution
scipy.optimize.fmin_l_bfgs_b returns 'ABNORMAL_TERMINATION_IN_LNSRCH'

I am using scipy.optimize.fmin_l_bfgs_b to solve a gaussian mixture problem. The means of mixture distributions …

optimization machine-learning statistics normal-distribution gradient-descent