normal-distribution

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Best way to generate a set of integers of size N, distributed like a normal distribution, given a mean and std. deviation

I\'m looking for a way to generate a set of integers with a specified mean and std. deviation. Using the random library, it is possible to generate a set of random doubles distributed in gaussian fas[详细]

2023-03-20 23:05 分类：问答
How do I most effectively prevent my normally-distributed random variable from being zero?

I\'m writing a Monte Carlo algorithm, in which at one point I need to divide by a random variable. More precisely: the random variable is used as a step width for a difference quotient, so I actually[详细]

2023-03-14 02:06 分类：问答
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 available code snippet to do that?For matrices/vectors, I\'d prefer to use Boost[详细]

2023-03-08 11:08 分类：问答
R: Iteration by variable

I have the following dataset1: Height | Group 1,556|A 2,111|B 1,556|A 2,341|B 1,256|A 2,411|B I would like to compute shapiro wilk normality test for Height by variable Group[详细]

2023-02-22 20:14 分类：问答
Random Color Deviation with Normal Distribution

I\'d like to generate a random color, based on an original color and a normal distribution, so I can create a random texture telling the script \"Okay, this is the general color you should be using, b[详细]

2023-02-18 21:59 分类：问答
generation of normally distributed random vector with covariance matrix

In matlab it is easy to generate a normally distributed random vector with a mean and a standard deviation. From the help randn:[详细]

2023-01-28 22:00 分类：问答
example algorithm for generating random value in dataset with normal distribution?

I\'m trying to generate some random numbers with simple non-uniform probability to mimic lifelike data for testing purposes.I\'m looking for a function that accepts mu and sigma as parameters and retu[详细]

2023-01-20 05:04 分类：问答
Ellipse around the data in MATLAB

I would like to reproduce the following figure in MATLAB: There are two classes of points with X and Y coordinates. I\'d like to surround each class with an ellipse with one parameter of standard d[详细]

2023-01-10 04:29 分类：问答
How to use boost normal distribution classes?

I\'m trying to use boost::normal_distribution in order to generate a normal distribution with mean 0 and sigma 1.[详细]

2022-12-16 10:01 分类：问答
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 standard deviation?[详细]

2022-12-10 20:49 分类：问答