使用R在正态分布下收集随机点
I'm trying to write an R script by first plotting standard normal distribution curve and then uniformly generating dots on the plot. I want to collect...
在Matlab中将正态分布划分为相等概率的区域
Consider a Normal distribution with mean 0 and standard deviation 1. I would like to divide this distribution into 9 regions of equal probability and ...
如何使用c ++中的正态分布生成真值或假值
I want to do that without using boost and "strange" things, I want to fill a board randomly for the game of life. 我想在没有使用提升和“奇怪”的事情的情况下做到这一点,我想为生命游戏随机...
从偏斜的正态分布中生成随机数
when you use the random(min,max) function in most languages, what is the distribution like ? 当你在大多数语言中使用随机(最小,最大)函数时,分布是什么样的? what if i want to produ...
如何计算Python中累积正态分布?
I am looking for a function in Numpy or Scipy (or any rigorous Python library) that will give me the cumulative normal distribution function in Python...
斜正态分布中的随机数(等价于NORMINV()))
I'm trying to create a skewed random number generator using a skew normal distribution, but I don't know how to turn my formula (which uses NORMDIST()...
多元正态分布(multivariate normal distribution)是什么?
多元统计分析涉及到的都是随机向量或多个随机向量放在一起组成的随机矩阵,在介绍正态分布之前,先论述有关随机向量的基本概念。为了便于理解概念和性质,借助复习一元统计分析中有关概念和性质,自然推广给出多元统计分析中相应的概念和性质。 In probability theory and statistics...
使用回调/小部件绘制正态分布以指定范围
I am trying to plot a normal distribution where you can specify the range. I need to return this as html. I used some code from this example. What do ...
正态分布(normal distribution)与偏态分布(skewed distribution)
存在正太分布的概念,自然也少不了偏态分布。 正态分布(normal distribution) 偏态分布(skewed distribution) 左偏态:left skewed distribution,负偏态(negatively skewed distribution),以尾部命名,...
如何在R中绘制标准正态分布[重复]
Possible Duplicate:Making a standard normal distribution in R 可能的重复:用R做一个标准正态分布 Using R, draw a standard normal distribution. Label the mean an...
使用回调/小部件绘制正态分布以指定范围
I am trying to plot a normal distribution where you can specify the range. I need to return this as html. I used some code from this example. What do ...
如何用扩展椭圆绘制二元正态分布
How to plot bivariate normal distribution with expanding ellipses and add 5%, 25%, 50%, 75% and 95% label in the plot? Thank you! 如何绘制具有扩展椭圆的二元正态分布并在图...
用 Excel 画正态分布曲线
用 Excel 画正态分布曲线群里有小伙伴询问一道曲线题,有小伙伴看出来是正态分布曲线,刚好之前有大概了解一下正态分布。可以在 Excel 很容易实现。使用 NORMDIST 即可。效果如下:...
在Excel中生成具有正态分布的随机数
I want to produce 100 random numbers with normal distribution (with µ=10, σ=7) and then draw a quantity diagram for these numbers. 我想生成100个正态分布的随机数(μ=...
如何用符号数学定义累积正态分布
I have the following code in MATLAB 我在MATLAB中有以下代码 x=sym('x',[1 2]);DV=x(1)*ED+x(2);sv=x(1)*DV;DD=DV./sv;p=normcdf(-DD); where DV and ED are both 1324...
累积正态分布函数在C/ c++中。
I was wondering if there were statistics functions built into math libraries that are part of the standard C++ libraries like cmath. If not, can you g...
哪个java-library计算累积标准正态分布函数?
For a project I have a specification with formulas, I have to implement. In these formulas a cumulative standard normal distribution function exists, ...
在MATLAB中确定多元正态分布的协方差
I am trying to create a bivariate normal distribution of random numbers in Matlab that is symmetrical. I know the standard deviation of the gaussian (...
如何通过标记x轴的特定部分来绘制正态分布?
I am using the following code to create a standard normal distribution in R: 我使用以下代码在R中创建一个标准正态分布: x <- seq(-4, 4, length=200)y <- dnorm(x, mean...
使用K-S检验一个数列是否服从正态分布、两个数列是否服从相同的分布
假设检验的基本思想:若对总体的某个假设是真实的,那么不利于或者不能支持这一假设的事件A在一次试验中是几乎不可能发生的。如果事件A真的发生了,则有理由怀疑这一假设的真实性,从而拒绝该假设。实质分析:假设检验实质上是对原假设是否正确进行检验,因此检验过程中要使原假设得到维护,使之不轻易被拒绝;否定原假设...